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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 - DAVAO DEL NORTE DE Award a ₱1.5M contract to LLM UNIFIED BUILDERS & TRADING CORP.National agencies

Transaction hash:
f13ff13ed21ce76c1cbc7710425e94b314b5ffac10fc9a349c3c9d8465c8a837
Status:
Included and unchanged
Block:
#4,870 1,143 blocks after it
Position in block:
Transaction 213 of 220
Award day:
Jul 28, 2022 (4 yrs 3 mo ago)
From:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE DE
To:
LLM UNIFIED BUILDERS & TRADING CORP.
Value:
₱1,464,731.07
Project:
21LC0168 - Construction of Multi-Purpose Building
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL NORTE 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 #4,870 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 - DAVAO DEL NORTE DE awarded it to LLM UNIFIED BUILDERS & TRADING CORP. on 2022-07-28.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LC0168: 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 2022-10-01). 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   f13ff13ed2…c8a837now      …
  2. 2. Block Merkle root changed
    stored   fb90d6099d…154a62now      …
  3. 3. Block #4870 hash changed
    stored   5e25a2ef01…1f9e95now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 219 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f13ff13ed21ce76c1cbc7710425e94b314b5ffac10fc9a349c3c9d8465c8a837
  2. 01 L ee76addadf10b9a21481982114a36af6ccc979956116e57c5824b0cbe668b717
  3. 02 R 3be3c982c96b7ad93438c9cd19a818080957763c61a41363d03198302295e1a8
  4. 03 L 7b527a8ea3414fdfd29820d6ecbcd62adabfe6c264814876affd7540093cc20b
  5. 04 R d388130c1b6935481a1df703a93d6865eeac340a015156db27ab3211e55f5634
  6. 05 L bd30e74543c8ed0911b9a22c5f8bf210e5d5b636becd33f0926a4010318f2ae7
  7. 06 R 6164656126fc62de7f8308cf609c1721cafcdfee414da5b2003cd81101105d75
  8. 07 L e790edb023abdc82bfd10f02636862f8c60bf8bbe502cf5269c9c3789ed2850e
  9. 08 L 549d47ea517635d868d4bac4e989706f9899b951571a81aaac7ced9aaf9b5905
  10. root  fb90d6099d322ae9dede7d8883562743aa3080554609efb04b94330011154a62