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 - REGION IX Award a ₱93.6M contract to ZAMBO J.A. BUILDERSNational agencies
Transaction hash:
7c458a4cdea44bc67c040ec6493df38b1a020689d1ad4039b1bd8d36939d1e9a
Status:
Included and unchanged
Block:
#5,854 159 blocks after it
Position in block:
Transaction 550 of 1,124
Award day:
May 19, 2025 (1 yr 5 mo ago)
Value:
₱93,603,007.73
Project:
25j00238
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 #5,854 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 - REGION IX awarded it to ZAMBO J.A. BUILDERS on 2025-05-19.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 7c458a4cde…9d1e9anow …
- 2. Block Merkle root changedstored 53aed54323…68e353now …
- 3. Block #5854 hash changedstored ca05933deb…fc38f6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,123 records. Each step hashes the current value together with the sibling shown.
- leaf 7c458a4cdea44bc67c040ec6493df38b1a020689d1ad4039b1bd8d36939d1e9a
- 01 R 7c5b0631e80507f41a7479554077eb1cb875b5ff46acc22442bfd975b77989b5
- 02 L 4be7daedb9f375cb10b66fd07cd373acc88a064c687d9d460abf01e04ed646e5
- 03 L dbf49db745787756c560a638612d8170f77c7a2b5bb30d897d9967fb3e84c0e7
- 04 R a148ed89ef0d44209229a032ffb55fc78563da5273dbde480bb6789812c34707
- 05 R bc94efaacff80861f85d96dd383f8642775ce641cc2e47fed34318450a37d8ea
- 06 L 51bebc87dbf14d7dd5c2b76d4992929e3195d360bd017f5ce1dee43f40d95259
- 07 R 712485af8678838d095a9c5d15d110608bf1da8f1561191462fadf95bcaaaf8e
- 08 R 58fd9c3c4e341820e6b245e4ad3e383bfb6970247da405c94643841f7f58e1de
- 09 R 8cf747373fbb49ef77e84d585c406120e178a8ed256734b56746ca17b720e661
- 10 L 985a2db508b2aa42d37c4013b2956b924241beb9748aff934a3a73fe6ca3660b
- 11 R e5ab6177e27c508f19cd5368bf8712711bcb628885cde08f0f1c893c38f7cd97
- root 53aed5432305c108e98f1b96f1e62a10356e68ea3f7885437f72c9357d68e353