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 - ZAMBOANGA CITY DEO Award a ₱2.2M contract to ELFCT CONSTRUCTIONNational agencies
Transaction hash:
dc673ad8cd7206ca7d83c3d236ac5b1e643cbbbd862cf30fa29f2e9b4ff2dd0c
Status:
Included and unchanged
Block:
#5,169 844 blocks after it
Position in block:
Transaction 354 of 408
Award day:
May 30, 2023 (3 yrs 5 mo ago)
Value:
₱2,247,583.71
Project:
23JA0083
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 #5,169 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)DPWH lists the funding source as "Regular Infra - GAA 2023 CSSP", i.e. the FY2023 GAA. The exact UACS line is not given.Partly
- 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 - ZAMBOANGA CITY DEO awarded it to ELFCT CONSTRUCTION on 2023-05-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23JA0083: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-09-10). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 dc673ad8cd…f2dd0cnow …
- 2. Block Merkle root changedstored c4c44d239b…dd534anow …
- 3. Block #5169 hash changedstored 672c9e47e8…773cf5now …
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 407 records. Each step hashes the current value together with the sibling shown.
- leaf dc673ad8cd7206ca7d83c3d236ac5b1e643cbbbd862cf30fa29f2e9b4ff2dd0c
- 01 R dca4d8bdaa6f25aaf41ee10050a46aa13b6820976bb6865568b29860e171801c
- 02 L 2376648cd485caf43d70f80dc2ba9b69d796ab6e96b9f3e849bce15afb744984
- 03 R f536cf34eb02c14d95bb404a825f9291efb61d75b165d4671fee6c527c0e0f19
- 04 R 86f269336fd831e204507f37905ee2e6b9572fb6a66c33608c58258ac77c0295
- 05 R b345b02fa60b9ccc96a972a0beaee8efed93b51ac1ed38b47f22835144c13479
- 06 L ca8c58a6aa88d9efeec001abb22a5905a473d4d1d210a511761b9bb4e71f2e08
- 07 L 09b7a360a08e9face5f7fbf8d17f03605988862b8476d9f337f678fe5901503e
- 08 R 83348250faaf52b1c1751b7bd6a653470c106f96601eb24aa8df1f7a46d4ffd6
- 09 L b8eefbbd5d7cbc7241e28e1be87214209dc2f2af0d9c990d001de94b2892d371
- root c4c44d239b55e9a7d420486625996af59d53456b3c4bbfe5735d07d4ebdd534a