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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

JOHN HAY MANAGEMENT CORPORATION Award a ₱1.6M contract to UNIVERSAL DE LEON CONSTRUCTION & AGGREGATESNational agencies

Transaction hash:
42fc6468bb7e9e46b22cbe2f7caf0466021e18b78e5950bee3318cc0d352197c
Status:
Included and unchanged
Block:
#2,512 3,501 blocks after it
Position in block:
Transaction 39 of 155
Award day:
Sep 8, 2015 (11 yrs 2 mo ago)
Value:
₱1,578,091.39
Project:
Repair and Upgrading of the Park

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 #2,512 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)
    JOHN HAY MANAGEMENT CORPORATION awarded it to UNIVERSAL DE LEON CONSTRUCTION & AGGREGATES on 2015-09-08.
    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   42fc6468bb…52197cnow      …
  2. 2. Block Merkle root changed
    stored   5d1f97a1a3…56442anow      …
  3. 3. Block #2512 hash changed
    stored   cc3c11d987…31a27enow      …
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 154 records. Each step hashes the current value together with the sibling shown.

  1. leaf  42fc6468bb7e9e46b22cbe2f7caf0466021e18b78e5950bee3318cc0d352197c
  2. 01 L 3fca21190dff38c34aed6a25b007df72e7c2a1fd00b34ced7cb72b4ab3e5f62a
  3. 02 L afe5e925cce8472f13ecb93d97cd493b756b8a6c0d27595fd29ff7e7ea77c0f3
  4. 03 L f7201fe69ad78e44bddce90f537eaa41fa560af744cf4a7a3a745c2d3a664109
  5. 04 R bf9675c7646fdb9f257160aa33792e3099031139f34a46d879175721a7fac7f4
  6. 05 R 0c2f60f23323ec05e5c27ded8f6962db2f48d33efacfa3c62b6441e6d2458fa5
  7. 06 L 3eec659e06a4ee68b054dd37218d39f81e54ecd1c4b0debcbe21f1ae240282d4
  8. 07 R 3f2c00e41f073dc815b6b94552919c05f6c6e768ea9f567e60ba9547a6214024
  9. 08 R a22784a63cbbbac4b4fe23b225655b43ff983818c7b86c0ef726852098459d68
  10. root  5d1f97a1a3fe9d7b760e54cbb3ae8f3c7f003356990461a2981216476356442a