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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED Award a ₱39.3M contract to JTC CRUZ CONSTRUCTION CO. INC.National agencies
Transaction hash:
256ffee18784157474fa1e2a7d3a1af5c0595b5925d7711bfe25181694be75f0
Status:
Included and unchanged
Block:
#5,908 105 blocks after it
Position in block:
Transaction 50 of 370
Award day:
Jul 16, 2025 (1 yr 4 mo ago)
Value:
₱39,252,524.36
Project:
Preventive Maintenance-Secondary Roads Calamba-Sta
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 #5,908 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED awarded it to JTC CRUZ CONSTRUCTION CO. INC. on 2025-07-16.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 256ffee187…be75f0now …
- 2. Block Merkle root changedstored 72fa9b1b5c…914908now …
- 3. Block #5908 hash changedstored 57f65a2220…4eb749now …
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 369 records. Each step hashes the current value together with the sibling shown.
- leaf 256ffee18784157474fa1e2a7d3a1af5c0595b5925d7711bfe25181694be75f0
- 01 R 257ad549de9caf5df84417b2956fe2fb5ddc31dc27e4a149db2fc75ea642afba
- 02 L abe7020156978e1ec015e760ae6d00c8e75af4d7857a23d8431a54b7e6cea6dd
- 03 R 5d1eb33ac18a855c742b0e2db081d6a98ef2982e28e03b0fe51339fefc767d8c
- 04 R a88cf2db7851782d90131c63a4ba1ce086eb83de93a4a6121d2eb15504d62755
- 05 L 6e31f8162d029ee4ab4bd9c21559c8676b2c0a6ef74f60e3ca5a2b268db6be71
- 06 L 2f937d027bc86045f2f82b5c40dcbd9d0956f067844efad8d216309a6a6ab3de
- 07 R 90ae02f3a12c90abb49af4d6c91a9030668c64e2765ffa2a3dbd161990f3152b
- 08 R 25e28445a46fd975c1f1e175b97cf6954960490bbd21305884ff81ffd4a5c2c6
- 09 R 745e4159b97f9baa3b0fc9504c67062d628b60b6164423e1af593870c63fb09a
- root 72fa9b1b5cd5ac8f7edc2c8bc4e83676b97c51f9863f12b00a5bc8df80914908