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 ₱1.5M contract to L.A. CLAMOR CONSTRUCTIONProvinces
Transaction hash:
620455f45dd7d9059daffe5e0df33a68a06b177a432d7a2b9186c2743dbca56f
Status:
Included and unchanged
Block:
#1,038 4,975 blocks after it
Position in block:
Transaction 28 of 61
Award day:
Dec 30, 2010 (15 yrs 10 mo ago)
From:
Value:
₱1,499,715.00
Project:
B) Concreting of Farm to Market Road, Brgy. Anibong, Pagsanjan, Laguna
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 #1,038 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 L.A. CLAMOR CONSTRUCTION on 2010-12-30.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 620455f45d…bca56fnow …
- 2. Block Merkle root changedstored 0170175ad9…b92e8cnow …
- 3. Block #1038 hash changedstored 7f60e5cb9c…2d7ec2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 60 records. Each step hashes the current value together with the sibling shown.
- leaf 620455f45dd7d9059daffe5e0df33a68a06b177a432d7a2b9186c2743dbca56f
- 01 R 66cda4268e70ce762ee23445170699dd89af83602f2b7b3101d52a376da69a5b
- 02 R 324046c5846af873d2befdf12134544f1a980f49d8a4e0c0e8383ecb09f6d9c4
- 03 L 92d59028b54e984742b5956bd8ed68df827079cc498955b12e47bbba5a28bb72
- 04 L 51318a2b716bd1ccd42fc4011d4de6fd553927b9e4ace85048034760fce3a82e
- 05 L eceee1280e99cc221513654ce329de9e25ac45b46749a01cf73ec45cd4e41023
- 06 R 23f9f85b2cd39bfd1b5f923bdadfefef6d3302c554c3d86f3fbad11b206f7f66
- root 0170175ad9badb0ed498cf19b3b05f686ebfeeecd213a1f97a8d2e0db4b92e8c