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 PABLO, LAGUNA Award a ₱3.0M contract to REVERE CONSTRUCTION & SUPPLY - LAGUNA BRANCHCities
Transaction hash:
3de2240f059608b14bf666cf58c5e14974afc14a440dd095eef8af123d6665d1
Status:
Included and unchanged
Block:
#1,025 4,988 blocks after it
Position in block:
Transaction 6 of 22
Award day:
Dec 13, 2010 (15 yrs 11 mo ago)
Value:
₱2,995,428.36
Project:
Asphalt Overlay Brgy. San Jose, San Pablo 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 #1,025 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 PABLO, LAGUNA awarded it to REVERE CONSTRUCTION & SUPPLY - LAGUNA BRANCH on 2010-12-13.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 City of San Pablo 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 3de2240f05…6665d1now …
- 2. Block Merkle root changedstored e3801199c3…8d6f92now …
- 3. Block #1025 hash changedstored b673c31e80…0e75e3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.
- leaf 3de2240f059608b14bf666cf58c5e14974afc14a440dd095eef8af123d6665d1
- 01 R 467501711b199bc434703d934d918746a33441c995749da0c9e5da4a51a64e17
- 02 L 1382b81cc5332e44b39aa66cfb3052b6ab6a0a5bb0af19898a481d7ea7b3de70
- 03 L 618804a9875776facd85e4553048d8b5719199fe8bad754dfa8e1304a53c67d6
- 04 R 278f300d7a2cc80b747a0b281684b304ec5aba6c14278490f1e0cd4f4507abb4
- 05 R 07196bc4412a141f383b2e01eb6fa4a8444958e1e0954bcdc53645bc5b62b8de
- root e3801199c37d34c1dae0b63463af25767d6e34b56e194ed3703dd205178d6f92