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 PEDRO, LAGUNA Award a ₱2.5M contract to KOUSEF CONSTRUCTION AND GENERAL MERCHANDISECities
Transaction hash:
aeae54b79bdbcbdc6548348b078bd65f601cc287a7b8fd3b9c6365b2b2f75a47
Status:
Included and unchanged
Block:
#3,545 2,468 blocks after it
Position in block:
Transaction 145 of 209
Award day:
Sep 27, 2018 (8 yrs 1 mo ago)
Value:
₱2,473,967.15
Project:
Construction Works
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 #3,545 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 PEDRO, LAGUNA awarded it to KOUSEF CONSTRUCTION AND GENERAL MERCHANDISE on 2018-09-27.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 Pedro 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 aeae54b79b…f75a47now …
- 2. Block Merkle root changedstored 250f76a686…864f8fnow …
- 3. Block #3545 hash changedstored 9b311bee24…1a649cnow …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf aeae54b79bdbcbdc6548348b078bd65f601cc287a7b8fd3b9c6365b2b2f75a47
- 01 L ae4f0ebe0c69b49ff6f7fe2d4b196041e49546d12078deb1a9044515f17f9686
- 02 R 4d9ba0d67c9a0e81f981d037b16257d7c7daf1120d90847759da7d9254177328
- 03 R a39277ba52c73004447bafd31209530bc8c0f5e12682fec8239e267c792d4748
- 04 R 8f1d633472b5fe618f6e1f333020385a41035726145204ba931a4326e54b952f
- 05 L 62b2e529c00717d54de17ab4a053b95e2334f9d95b696e1fea1e6564f276e072
- 06 R 9da5e6cf618ecfc761a33fdf12e4074c54b5a8fa0af8f194822f8a4ed96b9a6f
- 07 R cf9553d5d7cc58cbf531b65678832b95931f78bcd9b1c7821ef5dc81b6018234
- 08 L 923132565a711f4b5b750d7a83e83646b06424beeb757b3350a5e72116e7cf68
- root 250f76a68665aa0e306b1e5a2c2e28a1866391f1d5c3aafeb59479f096864f8f