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DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA ECIJA 2ND DE Award a ₱2.9M contract to E.D. LIBUNAO CONSTRUCTION & TRADINGNational agencies

Transaction hash:
e9b6ebdf9256da7f887a776bfd0bae9bc266db9206147d4da3a1f5e310b963ad
Status:
Included and unchanged
Block:
#4,370 1,643 blocks after it
Position in block:
Transaction 531 of 582
Award day:
Feb 22, 2021 (5 yrs 8 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA ECIJA 2ND DE
To:
E.D. LIBUNAO CONSTRUCTION & TRADING
Value:
₱2,910,146.45
Project:
21CF0027
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA ECIJA 2ND DE
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,370 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - GAA 2021 LP", i.e. the FY2021 GAA. The exact UACS line is not given.
    Partly
    Open
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA ECIJA 2ND DE awarded it to E.D. LIBUNAO CONSTRUCTION & TRADING on 2021-02-22.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21CF0027: Completed, 100% physical progress.
    Found
    Open
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2021-05-31). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   e9b6ebdf92…b963adnow      …
  2. 2. Block Merkle root changed
    stored   7a3ddc8839…0914b8now      …
  3. 3. Block #4370 hash changed
    stored   d2571844df…ab5437now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 581 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e9b6ebdf9256da7f887a776bfd0bae9bc266db9206147d4da3a1f5e310b963ad
  2. 01 L e9a6d4bcfaac522c933a7dbc37401a383739040c30054c55dddbb95cb2c26b10
  3. 02 L 6bd5772d6f14fb0fb90c312fce911f858e6e2aa503c6a183409bc19f94daa90c
  4. 03 R 56e4b8eccc59e43ca55ce7b659b9e26cde26fd61f2a7d86b82314acb3d92ae0a
  5. 04 R a11a558491b54169d5e0086c98ec69446d781c607ceb6c05a323a3629098af5f
  6. 05 L 9ce8a8bf985f3c401a32334b679cccb1a00cddd519dc7bc8fde44ba571e89c2e
  7. 06 R 10b6ed5747d07a2b9c847a61160f6585a92b2b1d593f6bce0b9006330cf98f31
  8. 07 R 20f9f97241fcc7e77c8586fce62b69f67a61e63fdf5768e9891877b23029531e
  9. 08 R f703e4ecf878a1af1d5b9ef2e662bd62d5cd9ddd7d86b37d4f80f7119bebc548
  10. 09 R 7431b036bc94df75660f941ebcbc792a3cdc171773be7e5205a0d1bdee87eecd
  11. 10 L 47d1a81e4fcfcc563138cf39a5cb6e5e7fbf089bff671a9473fb753037c23bda
  12. root  7a3ddc8839ef84b8823f5706904ebe0be1670d8fa4a57d1a209d4e4fb30914b8