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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 2ND Award a ₱2.7M contract to HRB CONSTRUCTIONNational agencies

Transaction hash:
511ffc59340704012b9d6c8b2d83a6092ab609bd326b2f08eae54bdd24710ba5
Status:
Included and unchanged
Block:
#3,854 2,159 blocks after it
Position in block:
Transaction 135 of 438
Award day:
Aug 20, 2019 (7 yrs 2 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 #3,854 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)
    The award does not say which budget line pays for it.
    Not published
  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 2ND awarded it to HRB CONSTRUCTION on 2019-08-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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

1 of 8 documents found, 0 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   511ffc5934…710ba5now      …
  2. 2. Block Merkle root changed
    stored   b1ca2bb136…2c5c8fnow      …
  3. 3. Block #3854 hash changed
    stored   f2f831c1cb…099d8anow      …
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 437 records. Each step hashes the current value together with the sibling shown.

  1. leaf  511ffc59340704012b9d6c8b2d83a6092ab609bd326b2f08eae54bdd24710ba5
  2. 01 L 50eb48be1dc0b126d5e9f65a5785a0adc636ad38f454b6071a380937389464c0
  3. 02 L aabc49956147f3be96941221bc8c74641daa5fe26939ec91c589b148a86337d9
  4. 03 L 122cbae97f0edc66f42ebc02fb696d380c5b1ec451790c1d9d345e487abae951
  5. 04 R 6480fa154b25298dd8982a78622d62593a598d637a36143f115c21eeb690c318
  6. 05 R b8ba678a9b56739ec54494ecd92f85c17976d4122037f8440ae39e692bc65ca5
  7. 06 R 80e54ef258770d6b09580b35f583a87421d52dddaf6c223252edc3227b70c985
  8. 07 R df316bec33ce7ee2df88af96bb4bf45944becaefe0e79b3370f5217492d08abd
  9. 08 L 84b497ee4d65a7c0bc92c7447da1fdb31f4596658405b6d8985309e09c7b4a37
  10. 09 R 871e616e8707acc9b4ae948da8cb904e97240a630b8dc843fffb898e28a74a1f
  11. root  b1ca2bb136d9e0313b3e889b6731040e60ad8291be0677984b632ae9462c5c8f