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
APITransaction action
PHILIPPINE CENTER FOR ECONOMIC DEVELOPMENT Award a ₱5.5M contract to PERRC INC.National agencies
Transaction hash:
d46e479a9a9f7ecb7d4c4c8f05ef354e3a452a3d9a3b89950297bec0620ca31c
Status:
Included and unchanged
Block:
#5,913 100 blocks after it
Position in block:
Transaction 284 of 339
Award day:
Jul 21, 2025 (1 yr 3 mo ago)
To:
Value:
₱5,545,148.76
Project:
Elevator Shaft
Full record:
Accountability
Bill Sec. 3 and 19Responsible 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 #5,913 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PHILIPPINE CENTER FOR ECONOMIC DEVELOPMENT awarded it to PERRC INC. on 2025-07-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored d46e479a9a…0ca31cnow …
- 2. Block Merkle root changedstored d6e7c71df0…803f31now …
- 3. Block #5913 hash changedstored 3c06c5451b…d66a98now …
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 338 records. Each step hashes the current value together with the sibling shown.
- leaf d46e479a9a9f7ecb7d4c4c8f05ef354e3a452a3d9a3b89950297bec0620ca31c
- 01 R d4d4b36a0b99d9e8ab572528362840689224952de2b96cd940944093c57d383f
- 02 R 08322e71611f014dca373bb58c103917750a3dbb6b05556bb90e51e202440ec1
- 03 L 66e847c00c789ee03189a3cab367524746f155fc99868da1de9d1f89873ca1c4
- 04 L 6a10cb47bb6a266a0941bad92e22a821a49fe85a7f053e1692d6319490279889
- 05 L b56898196ff258bc97830c23bd3c23b8a9a9a21837bcd537a7ca83f694e8ce08
- 06 R 12350faf8d0d71a020d14b6473eea866ade4bd7bd29efd51cf8af8b7a56abe9f
- 07 R cc8d60a6b0a871ee80717c2cb6a01fc0dce27d9905bd639c9e110ff6d792491e
- 08 R 05b5270ba6f60b7dd5f9d90b8898ec185828a0e4db29c1edde0d7ad42986ceda
- 09 L c7ea69a0dc88775cc139d5c91ce940aaffcf3aa0210a1615566774f67069dddd
- root d6e7c71df0b682a20933d77134ed97323addb7c58a4348ab42ba674907803f31