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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

DEPED-ROVI-DIVISION OF AKLAN Award a ₱512.8K contract to J.C. TAMAYO ENTERPRISESNational agencies

Transaction hash:
a18bef7cb975cbbc82d9f47b2be0729d9df0266f4b90daa5b3fcba4b4547ecab
Status:
Included and unchanged
Block:
#4,655 1,358 blocks after it
Position in block:
Transaction 172 of 284
Award day:
Dec 10, 2021 (4 yrs 11 mo ago)
Value:
₱512,848.62
Project:
STEEL GRILLS AND PARTITION WALL

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #4,655 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)
    DEPED-ROVI-DIVISION OF AKLAN awarded it to J.C. TAMAYO ENTERPRISES on 2021-12-10.
    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   a18bef7cb9…47ecabnow      …
  2. 2. Block Merkle root changed
    stored   3c00af44eb…54887enow      …
  3. 3. Block #4655 hash changed
    stored   1b7479b13e…0757a6now      …
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 283 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a18bef7cb975cbbc82d9f47b2be0729d9df0266f4b90daa5b3fcba4b4547ecab
  2. 01 R a1a468bba576bab7a35a88bd5dbae97b0e6544ac919dca0bf6740e68e7226434
  3. 02 R a613823cc0f6de9e144234aab3e800d53c925f432f0c6c8f8d7a7148e46f4688
  4. 03 L 29f84640b0c55a9bea4985ffcc5ef464558a8d26a2924f2425e79cbf5715a4ae
  5. 04 L 6a2301a7c3af6cc3b2740934b28b79868d983ad14542f18538ea7741b9cf0f97
  6. 05 R b64472fd24b6b749e06a22aac7107f65e53f94b7486bbfb8f01591b662f1303d
  7. 06 L 8e015f2497a9c680134367d7ead4b73637640b2e8e8f2f8aeaff94ca0edd1b79
  8. 07 R 49c29960094e43d99c8bcc853303d51985510417d2cfb71151a3d63b42aa0dc3
  9. 08 L 1ea64eb229eadebb148cbe8619e9900342d4fa7314ebba93033e51b525b3e02d
  10. 09 R c7166c54d80b7afbfab14d6b1b8beb09e751c974eea83b43f56d17c884fccbdf
  11. root  3c00af44eb1402a6bafae3517af8f76f0218fc77e1a68585fd959bf59054887e