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 ₱12.1M contract to A.R. LUSTRE JR. CONSTRUCTIONCities
Transaction hash:
794c252e4dff124b09b4ffb605d4bbe3e730a2de3da109d70338c2eee61be835
Status:
Included and unchanged
Block:
#1,388 4,625 blocks after it
Position in block:
Transaction 27 of 60
Award day:
Feb 27, 2012 (14 yrs 8 mo ago)
From:
Value:
₱12,124,993.24
Project:
CRN 001 (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 #1,388 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 A.R. LUSTRE JR. CONSTRUCTION on 2012-02-27.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 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 794c252e4d…1be835now …
- 2. Block Merkle root changedstored a83d918bda…7dc3bdnow …
- 3. Block #1388 hash changedstored 658fe30c5a…a11083now …
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 59 records. Each step hashes the current value together with the sibling shown.
- leaf 794c252e4dff124b09b4ffb605d4bbe3e730a2de3da109d70338c2eee61be835
- 01 L 6d4119a43e74f78039a67f836cec733e6759177cce20e4db7f6a02920612ca8d
- 02 L 0ac5192a9b388e2d74cced81614f8976498d3b7d516bad9afc3c916fcb1ea7fc
- 03 R 0761d2ef47558cb9feb88955428fabee13ce856cd9ac5c3d2c96c7f89430217b
- 04 L 4f19b12cb08bfec038be5f0dd82fbb8c395e4c9027bfd887bf8dcd42922b976d
- 05 L 1fd85f3d6abf925014d99372f71aa6f276b26f2eaa1efbcad07025da9e9c2af2
- 06 R bef6d42d3a3349e428e0024a18444aa27eb510a5f6a8db105fed41411a71deee
- root a83d918bda5cd99dc4b661cd39d1d97ce655ae735177cf2fa378653bca7dc3bd