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 SAN CARLOS, PANGASINAN Award a ₱4.6M contract to AQUINO-DELA CRUZ ENGINEERING AND CONSTRUCTIONCities
Transaction hash:
31dbd4aeb45385801ca5d5f4cc0e9be55d57801ebabe1c99f8a2d228756946d6
Status:
Included and unchanged
Block:
#743 5,270 blocks after it
Position in block:
Transaction 2 of 15
Award day:
Nov 27, 2009 (16 yrs 11 mo ago)
Value:
₱4,555,369.72
Project:
Concreting of Coliling-Cobol Road
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 #743 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 SAN CARLOS, PANGASINAN awarded it to AQUINO-DELA CRUZ ENGINEERING AND CONSTRUCTION on 2009-11-27.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 San Carlos gave a "qualified" 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 31dbd4aeb4…6946d6now …
- 2. Block Merkle root changedstored 5d9eaca100…e8fcebnow …
- 3. Block #743 hash changedstored 950ccbe099…80016fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.
- leaf 31dbd4aeb45385801ca5d5f4cc0e9be55d57801ebabe1c99f8a2d228756946d6
- 01 R 4ed10c6f7b52a93b0d3c472374521e32ce90f9ed7dd573488fac0b71366c0203
- 02 L 711ac723b140107ef5a51ee0c3a91539fb91337f709bcba94034dce104b69112
- 03 R 20a9f21a888c45e376ae707773fb9c9639ba990273e55a99846843c42fca4f6f
- 04 R 21ddfe56ddb6f50d569bc26ba9522f5a33e45cd152e12d3d378fe5e5f8b08f50
- root 5d9eaca1006e68f1a9b40654f8cd21794eaed5cd4c9f7e6c3cd90cce12e8fceb