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 DAVAO, DAVAO DEL SUR Award a ₱9.2M contract to P.J. SAN PEDRO CONSTRUCTION & SUPPLYCities
Transaction hash:
2a0d2e23f1e7f021cfa5220d3be6235a1a43b40fb5617ffc5bfdc94d78c04b56
Status:
Included and unchanged
Block:
#683 5,330 blocks after it
Position in block:
Transaction 7 of 69
Award day:
Sep 8, 2009 (17 yrs 2 mo ago)
Value:
₱9,231,544.52
Project:
Water System Phase 1 (Boundaries of Brgy. Baracatan, Sibulan and Catigan to Upper Habana Catigan) at Brgy. Catigan, Toril District, Davao City
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 #683 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 DAVAO, DAVAO DEL SUR awarded it to P.J. SAN PEDRO CONSTRUCTION & SUPPLY on 2009-09-08.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 Davao 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 2a0d2e23f1…c04b56now …
- 2. Block Merkle root changedstored 9c6bc4a70a…a1f2f2now …
- 3. Block #683 hash changedstored b60ba88e4b…c7dc89now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 68 records. Each step hashes the current value together with the sibling shown.
- leaf 2a0d2e23f1e7f021cfa5220d3be6235a1a43b40fb5617ffc5bfdc94d78c04b56
- 01 L 29c5fc4166ca1b3a63694fe2c3e01766a7c7e4741631f457294c2a27e5029988
- 02 L a39a12ab9a1438478d1319f0c6afb89002151312dd328996987bd634ba7aa8ea
- 03 L 7984fcb80a0588ba184b87cbe87df914cbd406ec9e4ac447a3b77504f8e38291
- 04 R 573b6f0ecd6016ba030b4eeefbae66eea2f52d6bcae33dfe4cf280d2188a6712
- 05 R a38f2d0b4ff3a7b94dd5d92923a2476b694516231ec58c2a32d803d35770e95d
- 06 R dd822eb18d4aac20701f165f33f76ff5a9d7b31cb62dd5e97b8b147299e76363
- 07 R f49e89e7e53181e51ea221c6e8d5a3218cba9bf9208eaee70fd909c0942a49db
- root 9c6bc4a70ac6fbcd0d11b47a3ff10bc3751931e041a11dbbeb136e1e94a1f2f2