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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 - CAMARINES SUR 4TH Award a ₱4.7M contract to HRB CONSTRUCTIONNational agencies

Transaction hash:
35a030dcec6fb08eff61acd11a0bad6d65a737e94e8080b27cf841b2e5d3a209
Status:
Included and unchanged
Block:
#3,239 2,774 blocks after it
Position in block:
Transaction 42 of 213
Award day:
Nov 7, 2017 (9 yrs 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 #3,239 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 - GAA 2017 NDRRMF", i.e. the FY2017 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 - CAMARINES SUR 4TH awarded it to HRB CONSTRUCTION on 2017-11-07.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17FG0097: 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 2018-03-21). 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   35a030dcec…d3a209now      …
  2. 2. Block Merkle root changed
    stored   579e9023f7…639e83now      …
  3. 3. Block #3239 hash changed
    stored   48e3daca15…357d48now      …
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 212 records. Each step hashes the current value together with the sibling shown.

  1. leaf  35a030dcec6fb08eff61acd11a0bad6d65a737e94e8080b27cf841b2e5d3a209
  2. 01 R 3869b82d09dd1c19f8366784ed33a4d792e2029483f15c424c96b3d5c3052314
  3. 02 L 5a4f5f701924108c8f9fbc019b5090d577d70402e3434980869e6411470e51e0
  4. 03 R 3493a740acace878405884e1be23aeb2bf0c63784e323a27ab23d11b1ef8d28d
  5. 04 L 842311a9e1d24f470e09de238571636dffb6a8d707ec49bcf8e38d380228f703
  6. 05 R 299b9405da5bdd7bfea823e9c9a2b35707a0542b583eee8d58683b6fa63e6eb7
  7. 06 L 714724ff55c949b46a03eded5009476c913ae7d98efbbb9b8ec4f4abb27a0a9d
  8. 07 R f740c84a9a4ad63808553c2bbae8dfc65b5aaeae7a8448cb1023659bd6d89ed2
  9. 08 R 3d8d33393d48a371091e7d038f6d2676d0fa4688f406db52aa0d72bcc400873a
  10. root  579e9023f7dada53192a715e9b3acd5ba94d532d6e9e7ed9e03d82127a639e83