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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 EDUCATION - DIVISION OF CATANDUANES Award a ₱2.9M contract to DUAMON CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
2aba020ebe987effd1f5694c344c097c5677765777d431433b9249781bd8f018
Status:
Included and unchanged
Block:
#4,956 1,057 blocks after it
Position in block:
Transaction 52 of 346
Award day:
Oct 24, 2022 (4 yrs ago)
Value:
₱2,912,246.51
Project:
Construction Projects

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 #4,956 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 EDUCATION - DIVISION OF CATANDUANES awarded it to DUAMON CONSTRUCTION & SUPPLY on 2022-10-24.
    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   2aba020ebe…d8f018now      …
  2. 2. Block Merkle root changed
    stored   0fc9009302…7124d6now      …
  3. 3. Block #4956 hash changed
    stored   115a7aff0a…7b1805now      …
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 345 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2aba020ebe987effd1f5694c344c097c5677765777d431433b9249781bd8f018
  2. 01 R 2c0b8d0e18c8279a932378ece0cb90616f2baf1f02a15f0a3de0504647e21108
  3. 02 R aaf8523595ab02ae47c0450f35c7c77171a8b9eceb6c8b44d9ce113da4aa8044
  4. 03 L 34ba413dcb45c0f0125e9d15573448337244ed1da1d0352338afdb62bcaa3455
  5. 04 R aafbf61ee36b070fecf556647e0e399c17bff100739fbeb7b8164ab0c0bec942
  6. 05 L 016b96eb906b4ad0eece2ada139a8146f368a64f9527eb9afa59ddb77efb336f
  7. 06 L 3ba74d24e683535519e6e8462eb8221c1ef13916b25634d041fd25dc8717249c
  8. 07 R f6261a313284d31df95cb82e6d1186b1405661c32b9f159122377f6cced83c4c
  9. 08 R c8ea4b5d299629ff3945f7e1865917d52481db7e9e153f33cdb20f0aefda5bb1
  10. 09 R 738f9fda5048e507dc080639c6dc149444fcc799d32f482d6831ee69b61ee8cb
  11. root  0fc900930296219f93f2daed3d220e5bb63d60aaa208caf4a5ec9c256f7124d6