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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 - NEGROS ORIENTAL 2N Award a ₱2.8M contract to RUDPA CONSTRUCTIONNational agencies

Transaction hash:
b971ea222d339dc60502dd2d79093b632ed28268b9ebea32cf0218f58b17c542
Status:
Included and unchanged
Block:
#3,388 2,625 blocks after it
Position in block:
Transaction 259 of 361
Award day:
Apr 12, 2018 (8 yrs 7 mo ago)
Value:
₱2,821,500.00
Project:
Water Supply System

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 #3,388 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 - NEGROS ORIENTAL 2N awarded it to RUDPA CONSTRUCTION on 2018-04-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18HK0022: 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 2018-09-24). 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   b971ea222d…17c542now      …
  2. 2. Block Merkle root changed
    stored   3be851fa08…ca6893now      …
  3. 3. Block #3388 hash changed
    stored   ea5cbf7b3a…576ebcnow      …
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 360 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b971ea222d339dc60502dd2d79093b632ed28268b9ebea32cf0218f58b17c542
  2. 01 L b95ce3481aaf40445bf3a4cd3904e7ed13d4dc92cf8ea61a0dcee684ae1cfc2c
  3. 02 L 53a3fac66e709af11f15a1a628e419bf3f51a85760a04e4f2d54e63b8f75d4b9
  4. 03 R 361cfa84050e386de69f843a02004f59a164890628b93084d87bb35e412127e6
  5. 04 R d384e403c1f65d7666f2404b3ac880a8edae0b5553df6418914a4de42fe24799
  6. 05 R 9e3b56ffe4e56848ac77c5cbb1917f55dcaf574156bae54a830e924243e3db3a
  7. 06 R bdc4e2290a0e6146a283161266b640ff4c06c8b8483a0132bfb319c0f5d210c6
  8. 07 R b5cb87e77af9dbdcf684f3cfa7f4684ee85179a24c6debcb43977a3d045e211b
  9. 08 R 7a2c46966000eb8810b771c893797374e8eb0400e2c7a725a5d66afef216d22a
  10. 09 L 279f014dad2983ef87d125e68e99a96cd1f95c2374dededbcd7a5d38708f55b0
  11. root  3be851fa08df300455ea2ba31ec086e3017c72b380608557fe05636771ca6893