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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

PHILIPPINE SCIENCE HIGH SCHOOL SYSTEM - O.E.D. Award a ₱45.0K contract to YANI CONSTRUCTIONNational agencies

Transaction hash:
ea1697e3b07f8ea4d2d707bdc8d826e178c76b08c7379ddb6fe499c74410bb10
Status:
Included and unchanged
Block:
#3,814 2,199 blocks after it
Position in block:
Transaction 286 of 318
Award day:
Jul 9, 2019 (7 yrs 4 mo ago)
Value:
₱45,000.00
Project:
Labor & Materials

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 #3,814 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)
    PHILIPPINE SCIENCE HIGH SCHOOL SYSTEM - O.E.D. awarded it to YANI CONSTRUCTION on 2019-07-09.
    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   ea1697e3b0…10bb10now      …
  2. 2. Block Merkle root changed
    stored   eddc7e5961…087859now      …
  3. 3. Block #3814 hash changed
    stored   50bc686e73…0d3177now      …
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 317 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ea1697e3b07f8ea4d2d707bdc8d826e178c76b08c7379ddb6fe499c74410bb10
  2. 01 R ea2dd6b953f61393f6e05d68f65ebce92e731342f0e80cc51a6b8c0f274e0ae6
  3. 02 L a6b33de2ff294f1d3f0c11356741c07d3f5c612df79059098c582fc11354ebfb
  4. 03 L 77c97835233e2266f4226d06ebb2d846786da2bc9a707478d38da3ddafeebe49
  5. 04 L d8e18f0f2f4ae16c6f16614fdd14541c3e046225533165b83e12e01ab9ef63eb
  6. 05 L 21f0091b94cef1571d9578ec5b842e5fed924b2291cd893e184e1265c17db766
  7. 06 R 15f60bc1aa35b6928c0aa44c46bb1439726be9afa7df623fc647fc0b321db601
  8. 07 R c2ff3cb7992bda63daeb2f94fc728f5718fa761907904c809ce19f21fe3a9c95
  9. 08 R de877da6cce7f40590bd5a015261bb46783b0cfaa6735961e726ff8aafccd079
  10. 09 L 99e59d8bea36e88dccae0d7eb4eee323117ec0a22c5ce1e818e1a90eb4f70c32
  11. root  eddc7e5961a0b6e984ad7abc0d151d2c4ee746cda8ca0717c74447bb2d087859