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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 - MIS. OR. FIRST DEO Award a ₱1.2M contract to L&L CONSTRUCTIONNational agencies

Transaction hash:
4bc21ea9df56d94d98a793b0c0e21531f3ffe54c1d4340dd2cc02ccbc7b4621d
Status:
Included and unchanged
Block:
#2,395 3,618 blocks after it
Position in block:
Transaction 0 of 4
Award day:
May 2, 2015 (11 yrs 6 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST DEO
To:
L&L CONSTRUCTION
Value:
₱1,175,584.85
Project:
15KK0006
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST DEO
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 #2,395 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)
    The award does not say which budget line pays for it.
    Not published
  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 - MIS. OR. FIRST DEO awarded it to L&L CONSTRUCTION on 2015-05-02.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   4bc21ea9df…b4621dnow      …
  2. 2. Block Merkle root changed
    stored   db6090d08f…8109b8now      …
  3. 3. Block #2395 hash changed
    stored   6edb608fb6…ff354dnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (2 steps)

How this one record is tied to the block's Merkle root, without needing the other 3 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4bc21ea9df56d94d98a793b0c0e21531f3ffe54c1d4340dd2cc02ccbc7b4621d
  2. 01 R 5e4c4aee3f9c172809a080abc94c884fe16cb462b259e608e98a8c5d173f6dc1
  3. 02 R 8c924b3b9f38709739db21b32165d7376d5fa5622cce5899899a56f54063f66a
  4. root  db6090d08f3597b6a2099d3d4da9aefb22afff455e5c838f479592511d8109b8