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 LAS PIÑAS Award a ₱2.0M contract to ARAC CONSTRUCTIONCities
Transaction hash:
fa4bdd28ba79456b4dc3eca408ffda4381d954e42d548790f9b5ac75a638992f
Status:
Included and unchanged
Block:
#2,461 3,552 blocks after it
Position in block:
Transaction 190 of 194
Award day:
Jul 14, 2015 (11 yrs 4 mo ago)
From:
Value:
₱2,019,889.00
Project:
Installation of Streetlights
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 #2,461 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 LAS PIÑAS awarded it to ARAC CONSTRUCTION on 2015-07-14.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 Las Piñas 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 fa4bdd28ba…38992fnow …
- 2. Block Merkle root changedstored 5a5eaca473…40a8b0now …
- 3. Block #2461 hash changedstored a3e35eb333…ef9865now …
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 193 records. Each step hashes the current value together with the sibling shown.
- leaf fa4bdd28ba79456b4dc3eca408ffda4381d954e42d548790f9b5ac75a638992f
- 01 R fbc50cb00989e893a19760b82e32506e6153e27889abbfdde2721c949ff12fed
- 02 L d8d8f9d1abf9c1b4876f6e6a73459210a1dd3f505364148b977bcf11336c1017
- 03 L 0bedd270ba09fc166fb6953d71a423ecb8fa0db3ec4ef948bea2ea53aedc4065
- 04 L d9088f3b9d73f191971dd1467951bbe8d7813df7386ccfe463b7e550fac0139a
- 05 L 4ec17744741be1691e71935ca560d49c74e6dffbec43e62ab118f6c98c716902
- 06 L 1235153622bdaa1a6c2816b264df7fe411ddc3d1c4dfaaa98e685c699e01bb00
- 07 R 37d670d803b66ca6d4ca776de2b31ac6d6427bc1351ba74727ffe4616a8e9ccb
- 08 L fb92e5eb62695cb8ba54991f9707994b0636fcb00726d61fa0433d68caf869ef
- root 5a5eaca4737fc346bc1f7045fd2953bb24080d566007222ce2cf168ce140a8b0