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
PROVINCE OF LAGUNA Award a ₱5.0M contract to 524 PROBUILD CONSTRUCTIONProvinces
Transaction hash:
4396bbb70fcb609acef7ccd7734ff8ed8a666104a2a6b881b88e68e80d18efa8
Status:
Included and unchanged
Block:
#5,771 242 blocks after it
Position in block:
Transaction 218 of 800
Award day:
Feb 13, 2025 (1 yr 8 mo ago)
From:
Value:
₱4,987,355.78
Project:
Repair and Maintenance of Sta. Cruz Poblacion Prov
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 #5,771 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)PROVINCE OF LAGUNA awarded it to 524 PROBUILD CONSTRUCTION on 2025-02-13.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 Laguna 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 4396bbb70f…18efa8now …
- 2. Block Merkle root changedstored 439f3582a1…1cccbfnow …
- 3. Block #5771 hash changedstored 13d9af7904…7d57c4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 799 records. Each step hashes the current value together with the sibling shown.
- leaf 4396bbb70fcb609acef7ccd7734ff8ed8a666104a2a6b881b88e68e80d18efa8
- 01 R 43a593c6c93c6bed6d58a1d9660d32f431129769a0528b8ac9fd1e9e676f5323
- 02 L 3a63ce0e9d850f4c0fbacd34928ad9eed634b79595a443bcb8bf3033db3e9c44
- 03 R 8293884c81e4030c8d23f421d24e409cd6a438b92431e05f3df06768c7e684c4
- 04 L 087060c23236da539071fad0755d0c8bb53814f56df09592d863f449ed888f23
- 05 L ba6f74558ca72f3e97364a556ee79876aa0e099d7e47a082f5f469bbd1a4765e
- 06 R 88e5f3054ec30c9a0b1de1cc8fbc9e934b9b979a9a23cb489e4a791dd39bc62e
- 07 L 0fa4b28f865e2583c9ff68da03d07285e9450f5bd302b5ae815a39a5e2794971
- 08 L a799a9d6695b57400e17d959146488d49d402020a52e5855a5d5006d873aa859
- 09 R 06f67fb338ff6b17e43b03c1737eddd7e25ba9410a01f4a723646a6af27e0f90
- 10 R ba2d199bc82f40bbcf9fd16f3f12319261b6dd2b86b5d3eae595a57459edfaac
- root 439f3582a13759250270adba64cb8b0763515c1822e3caaafa4b5b58071cccbf