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 ANTIPOLO, RIZAL Award a ₱626.0K contract to HANNAHZIEL BUILDERS AND SUPPLYCities
Transaction hash:
2f142ae2e49db23bc742dc6e4d3c1235da49e7b13829a9c2f83cf5836a3ccb60
Status:
Included and unchanged
Block:
#2,109 3,904 blocks after it
Position in block:
Transaction 40 of 159
Award day:
Jun 23, 2014 (12 yrs 4 mo ago)
Value:
₱625,980.44
Project:
Provision of Access Road Going to New PNP Barracks
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 #2,109 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 ANTIPOLO, RIZAL awarded it to HANNAHZIEL BUILDERS AND SUPPLY on 2014-06-23.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 Antipolo 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 2f142ae2e4…3ccb60now …
- 2. Block Merkle root changedstored 3cc9df8140…220239now …
- 3. Block #2109 hash changedstored 40c6168b23…d9bc63now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 158 records. Each step hashes the current value together with the sibling shown.
- leaf 2f142ae2e49db23bc742dc6e4d3c1235da49e7b13829a9c2f83cf5836a3ccb60
- 01 R 32a7972fb80f44bd328c41c806d60e034d0cfd741ad98eba1438322620b37532
- 02 R e86a5fbcc2a101c4417e84efd4c3827167486fae4232d28d837f8ffdea9b103e
- 03 R 2d74e970fed65fec4b738cacc6189621bfc2d2e4c8f634d0e55b2052ae0953b9
- 04 L 5d11272b84aec8d3dbf57cf8bd00332fc347117a0c9ffe6190481725135045e5
- 05 R 4d0f3a43a0096d941cac9161482db5851c41e1c382bca39a8aad66e91b0a875d
- 06 L 6bde27671f47f7295ab6549f180324ba990f95ef291c42d43232f49b72237fda
- 07 R df77ec6d398a536a55ca104bd8d0a229d0cd8cab863f14cab8004dc1f2a691bf
- 08 R cf59df28212c45dfad62174c53391a5ca4c7f88358dd799f429a1fd399c68949
- root 3cc9df8140ddc3e76792e7175f8401970fa239daece5c92fa3c88c54aa220239