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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 - LDN 1ST DEO Award a ₱2.1M contract to UNAYAN BUILDERS AND CONSTRUCTION SUPPLYNational agencies

Transaction hash:
cfa39e75c2d20da07d17f387204928431b65b5a1c7e733d6edbebc6cb1624468
Status:
Included and unchanged
Block:
#2,065 3,948 blocks after it
Position in block:
Transaction 55 of 77
Award day:
May 2, 2014 (12 yrs 6 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 #2,065 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 - LDN 1ST DEO awarded it to UNAYAN BUILDERS AND CONSTRUCTION SUPPLY on 2014-05-02.
    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   cfa39e75c2…624468now      …
  2. 2. Block Merkle root changed
    stored   034c56d72a…fb32f2now      …
  3. 3. Block #2065 hash changed
    stored   52c407650a…f6ede3now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 76 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cfa39e75c2d20da07d17f387204928431b65b5a1c7e733d6edbebc6cb1624468
  2. 01 L cf5b507cf50ef16732d044f4845e82d2fc8459a445d6ed85ade84c0690c36b9a
  3. 02 L 1b7632d6db0d6353d87d230f63870ad3fd87eb5098dfe883d8a5f7787303c3e2
  4. 03 L cba3641618db9e93737c81173d42d6d1a4a345d98b1e66255581ba860546fb31
  5. 04 R 619505fdc819575723c2dfbb1d0afe34fc39a5913b2a2bc0c2b77da5d6359ffc
  6. 05 L 6e369fed269d8f3cf3518cc8b322008df09bf0d2194d54274fbcfd3818c3c74d
  7. 06 L 0d1c8183d93c79dd205d24cad75228f55d5b7c8f3c49b1f2a49fe8477912a174
  8. 07 R 726159de2b663b6830237f272b048915387ed6ad06669c494f3556837b82ba17
  9. root  034c56d72a7cd05fa2d85ebf54de0bbaab467e8c11c19e46ad5dc91da2fb32f2