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 VALENZUELA Award a ₱4.4M contract to SRT CONSTRUCTIONCities
Transaction hash:
677a04434e9ce7afd420200712d41d672e542d0a3b45ef3aee6dcd8e484f3347
Status:
Included and unchanged
Block:
#1,277 4,736 blocks after it
Position in block:
Transaction 26 of 56
Award day:
Oct 26, 2011 (15 yrs ago)
From:
Value:
₱4,421,665.53
Project:
CRN 033 (IMPROVEMENT OF ROADS)
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 #1,277 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 VALENZUELA awarded it to SRT CONSTRUCTION on 2011-10-26.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 Valenzuela 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 677a04434e…4f3347now …
- 2. Block Merkle root changedstored beea849914…946331now …
- 3. Block #1277 hash changedstored 7b9a01863d…9d9b15now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 55 records. Each step hashes the current value together with the sibling shown.
- leaf 677a04434e9ce7afd420200712d41d672e542d0a3b45ef3aee6dcd8e484f3347
- 01 R 69e97e2be02179813528aae78298ea5a7c49c3564713f52625d759acf760bfca
- 02 L 42595160a258c81d0f4b7e6fd7a207080ca890e2ee250637f4f112d4ff347ba7
- 03 R 3799025f2527505d70f359e119d6be33bca1df9ba3573543326584d601136198
- 04 L f37c1f8413cbe27444bee3cff0283cb112b91cfeb9d378d3765b25656af96517
- 05 L 9de5ad93b23ed4efaec5b2119b4c5258f30b87a5c2cce02f63af25eb348100d2
- 06 R d808082dbaed43cd6b61fec72d2657c62a197d1d65ffdedba42274a7cfd5c806
- root beea849914be59fbc44fd20891d12b130110bbc41f69a23198a5be63f8946331