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FY2026 GAA: ₱6.79T
PisoScan
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 CITY II DEO Award a ₱14.5M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:
a97443cd2cc4108e34026c147c21b483a27ca19dde596bab9fafa3809abe462d
Status:
Included and unchanged
Block:
#5,199 814 blocks after it
Position in block:
Transaction 267 of 412
Award day:
Jun 29, 2023 (3 yrs 4 mo ago)

Accountability

Bill Sec. 3 and 19
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 #5,199 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 "Outside Infra - Trust Funds 2022". The exact UACS line is not given.
    Partly
  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 CITY II DEO awarded it to O.G. SANTOS CONSTRUCTION on 2023-06-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23LH0099: Completed, 100% physical progress.
    Found
  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 2023-11-10). 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   a97443cd2c…be462dnow      …
  2. 2. Block Merkle root changed
    stored   414c603427…91cdeanow      …
  3. 3. Block #5199 hash changed
    stored   e505bb599d…f9e1a3now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 411 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a97443cd2cc4108e34026c147c21b483a27ca19dde596bab9fafa3809abe462d
  2. 01 L a92617be705a241bc8ed14522438590c6de4a899b0ebbace40ab81254b6fb2a7
  3. 02 L ae089cb671d047ae57d22f6afc584f0f9ee0d84bce0c168f18c99d3317c6af93
  4. 03 R 44efffc60e70d5d4a4af6ffef9ad13471daef37355dba6051eeec56edda0c357
  5. 04 L 1fe819cd9e68d8577b20194fb2f0f0e5a3418cba1ccdddb1b9088d99fc063dee
  6. 05 R 56e3afd6333d41f2b5ada3714bd4649092f7fb3b6d1876276400710c82bc3caf
  7. 06 R ec1084e71e5960f278ea020509ff5fc0fc36885f65a7f5e2de4329ab0a6029f7
  8. 07 R f4f6d521d81928b6e1efd84968985eb6e6e1a04f683172ed686bc2e4dce97797
  9. 08 R 150a3e2cf0a27886c21c20fc53c8a79312c0d441e56a7f4624e2f49ba0dddd78
  10. 09 L c63a9d4291a90807e3139a4eac998c2d1afae16544cb383a0ebbd4b142cf2864
  11. root  414c603427cdbf06d267d49e054f19acbea69808b2a6b98abe665d956491cdea