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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 DEL SUR Award a ₱34.7M contract to A.C. RIVERO DEVELOPMENT CORPORATIONNational agencies

Transaction hash:
90736eb8f0d314e6dbda1ca1fd2a95e5da4c55433ab6103ade247f8a7415df43
Status:
Included and unchanged
Block:
#3,373 2,640 blocks after it
Position in block:
Transaction 253 of 452
Award day:
Mar 27, 2018 (8 yrs 7 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 #3,373 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 2018 LP", i.e. the FY2018 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 DEL SUR awarded it to A.C. RIVERO DEVELOPMENT CORPORATION on 2018-03-27.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18JG0047: 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 2019-07-01). 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   90736eb8f0…15df43now      …
  2. 2. Block Merkle root changed
    stored   f5a847d5bb…4bf838now      …
  3. 3. Block #3373 hash changed
    stored   888f0426cb…4aa4b0now      …
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 451 records. Each step hashes the current value together with the sibling shown.

  1. leaf  90736eb8f0d314e6dbda1ca1fd2a95e5da4c55433ab6103ade247f8a7415df43
  2. 01 L 9046ff2d38d4afd4a6307c9d06526429b9ce5d9077fa59fc64c472af3164d9fd
  3. 02 R 6b398db1ebeb6786c8d1e00a9eeff5b0f0a801828329db01497facdb4172c761
  4. 03 L 4e2f021548c2d2f067b633e8c16e41f8e0782c51bb5b041ca3d54aa2463bc44b
  5. 04 L ee02931af4b6835bdaf5fe5fe4fe3c6ce91a48d3016f4fc78a707602786bbfa6
  6. 05 L b973104e41c69f3a85a057cc4499bcd14de198e647cdc80125dd21244d3f636c
  7. 06 L 1b411775ebb6fc842a756a0e11ec6574fcf79a7fb71a118e54d35fcbfaaa779e
  8. 07 L 0c5a17e1781e929f6915daf10cd45865620dee84c3fc9dd8de4ad6170a6d5773
  9. 08 L 53285665444bb8e2e1a2904147e4fa61dce54b82d5282e3d9b760aaca1115702
  10. 09 R b68a1be520c2dad75924419365c07e01c590ea6b1107751968025bcc4272c998
  11. root  f5a847d5bb44c24d41d8cc8c71936e7417064a6848c25267c5550988b74bf838