Skip to content
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 - QUEZON 1ST ED Award a ₱1.1M contract to E.A. AYALA CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
b02495ac2d480c962fa34f9f6cc397698c188bf0c9c6f1df49a13424782de3ec
Status:
Included and unchanged
Block:
#2,192 3,821 blocks after it
Position in block:
Transaction 102 of 142
Award day:
Sep 25, 2014 (12 yrs 1 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 #2,192 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 - QUEZON 1ST ED awarded it to E.A. AYALA CONSTRUCTION AND SUPPLY on 2014-09-25.
    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   b02495ac2d…2de3ecnow      …
  2. 2. Block Merkle root changed
    stored   9c7f5130df…93a308now      …
  3. 3. Block #2192 hash changed
    stored   3ddb7e65c4…346509now      …
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 141 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b02495ac2d480c962fa34f9f6cc397698c188bf0c9c6f1df49a13424782de3ec
  2. 01 R b290a63d3ef12b2c0f85e2e0e954ee04e90b1d4ca0324c021439f01b893defac
  3. 02 L 7d6e2c2fa3b803912359459e8f02b4b43ed561b89c048cd4e7ac78a3e9c02114
  4. 03 L 080e412c3008f56b27ea09c0af56a94186de3b6860ff46fb195a736ab46177a2
  5. 04 R a9e0df8bfe9f86c769e4e71ce546691196edcdef346a1ea8673f8828c00dbf0c
  6. 05 R e37fbf55f497c1f8e7fabc8ce17b689261d0b6684013c1cc52a9f3498ae766b1
  7. 06 L a90a6d3c753f4daddb63819bb79fc2699f42c727fb738124f49f48197a1d0985
  8. 07 L 151c0396476cdad1f9daf57263959e7999dc747b86629b34b6fa7c7bbea7d5a3
  9. 08 R 5d75a312a4692ebc4f8b82f0a36fda3bf614137a8721d12f29c6cfb84c373326
  10. root  9c7f5130df6f4c0bdc162e6fb5e5a8c037dbe4c13a10353990b9e9ea9193a308