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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 - ZAMBOANGA SIBUGAY Award a ₱36.7M contract to O.G. SANTOS CONSTRUCTIONNational agencies

Transaction hash:
17b4e3db6d1815594caade4e6c1b155a4363b9c4e0607647677ac140335b2cc4
Status:
Included and unchanged
Block:
#5,422 591 blocks after it
Position in block:
Transaction 32 of 411
Award day:
Feb 21, 2024 (2 yrs 8 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 #5,422 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 2024 OO-1", i.e. the FY2024 GAA. 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 - ZAMBOANGA SIBUGAY awarded it to O.G. SANTOS CONSTRUCTION on 2024-02-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 24JI0007: On-Going, 74.81% 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)
    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

2 of 8 documents found, 1 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   17b4e3db6d…5b2cc4now      …
  2. 2. Block Merkle root changed
    stored   01f80b9c92…11c61dnow      …
  3. 3. Block #5422 hash changed
    stored   8440a531de…96913cnow      …
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 410 records. Each step hashes the current value together with the sibling shown.

  1. leaf  17b4e3db6d1815594caade4e6c1b155a4363b9c4e0607647677ac140335b2cc4
  2. 01 R 191a87f82b91738a9445ddea08ba705c68b510440680fcdf0b8c857f1f80a16b
  3. 02 R 859172e585660283531feb808dbf0ced6224382f3fe4d8845293723e884f818f
  4. 03 R 33f7a826ed9d30b7ffadde07ecef383b5592d30870b5f72ae34cf62777b8ae3e
  5. 04 R 7c04dbf387c83a974f4af9a0bd267b2ecf464222660c645fa7adacd060a8c221
  6. 05 R 71088b814c9ea7bfe9282a43f1ffb4299058b9b21bbf6a86662fbe572d74a5ff
  7. 06 L 1b3f0802777f841cb4d1a5443dcac77e98dbb11f2b6a53a696cae67032f0997e
  8. 07 R 4eb0897be42861c63b8b92cd24c8dda70e81395ac80dadc20bd568ffd4edc307
  9. 08 R 40eec458057932e5f8214eec7aa5b781c9df5c5210f90f69477d08981a3e2566
  10. 09 R d881242c12539480a58585cca7a07b69860b9cbc95021e834397f960a7c05e51
  11. root  01f80b9c92ee5a6f463fff9d4c9e8d6812177b54acebbc80ee43f08d4911c61d