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
CITY OF PARAÑAQUE Award a ₱1.4M contract to CRESTA MANAGEMENT & CONSTRUCTIONCities
Transaction hash:
ff33675ecdbf7c8200b2602ae3aa8c252733bed667e9758e0f0a2b6c0a008c22
Status:
Included and unchanged
Block:
#2,279 3,734 blocks after it
Position in block:
Transaction 396 of 400
Award day:
Dec 23, 2014 (11 yrs 10 mo ago)
From:
Value:
₱1,430,302.24
Project:
Construction/Concreting of Lined Canal, Pathwalks
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 #2,279 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)CITY OF PARAÑAQUE awarded it to CRESTA MANAGEMENT & CONSTRUCTION on 2014-12-23.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)COA's CY2024 audit of City of Parañaque gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 ff33675ecd…008c22now …
- 2. Block Merkle root changedstored 6095dd6209…d16d37now …
- 3. Block #2279 hash changedstored 056237b372…d82b9enow …
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 399 records. Each step hashes the current value together with the sibling shown.
- leaf ff33675ecdbf7c8200b2602ae3aa8c252733bed667e9758e0f0a2b6c0a008c22
- 01 R ff3c32ca839ccf59749405b8f90c93a6c7b833f649914eefbf8724f7044f1331
- 02 R 73646f278a302de8cc888c3d29d351a6593913cc126a9a75d8034ac04fa37239
- 03 L 4377ab70210f1a1ebf8c1a8c3d26da0067405d2e37fb075c25face89a1bfb352
- 04 L bc65a3529e79a22021dec4dc6509a06f80e4cbb405f23e8772a3173a6f701c05
- 05 R 945aef18407b9e34f953155cbc6a372059adfad1a9f5646f1c2157b4cb873ba9
- 06 R abc7b4493c3e6d6aa91cead1b4224cbe2f1241df6ed23046ff1e222ce951616c
- 07 R c2bef5a8d89c490159ccc0620c9def4de54458824b878dd0143166f46d64b243
- 08 L a478565a166c5f4f1d21ea8c3eca28d4783d17384ab752d985a3168fb640c150
- 09 L 63198ec0bb3bc161c115b8a96b317cb709b6410dc95c4564c1942687dd6ea1aa
- root 6095dd62098a82f370bad89c455a5c875b4fc9cfce9dd3a9fddc818abad16d37