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
MUNICIPALITY OF NASUGBU, BATANGAS Award a ₱2.0M contract to AS CONSTRUCTION SERVICESMunicipalities
Transaction hash:
604b85b13fa9bf8012cd0bc9f3f6926e0896c8fdc1059bc95b0a6fdb6b4b6250
Status:
Included and unchanged
Block:
#3,724 2,289 blocks after it
Position in block:
Transaction 7 of 26
Award day:
Apr 1, 2019 (7 yrs 7 mo ago)
Value:
₱1,999,101.85
Project:
Construction project
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 #3,724 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)MUNICIPALITY OF NASUGBU, BATANGAS awarded it to AS CONSTRUCTION SERVICES on 2019-04-01.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 Nasugbu gave a "not stated" 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 604b85b13f…4b6250now …
- 2. Block Merkle root changedstored e8485ff3b2…965aeenow …
- 3. Block #3724 hash changedstored c09618f5a1…1436eenow …
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 25 records. Each step hashes the current value together with the sibling shown.
- leaf 604b85b13fa9bf8012cd0bc9f3f6926e0896c8fdc1059bc95b0a6fdb6b4b6250
- 01 L 5981de935740784f3e90b6a7c81825834c6a540ac75ad89d78a02d38587ce6ac
- 02 L 53b5744cf5c356687edf9d4e6ed2acd01501111213d3a439285642544a51fac2
- 03 L 7d57816c0ef30a6b55dce3b2bc59877a4f37e8605ca2befe27d3526b02092294
- 04 R bec6949453c139b7a8011bf6774ada804e55e632a6a7250e63010fcfbbb96c2b
- 05 R cc94cf08d8c4ec1e026ec88843e2b35266fc15807f7932f168d081ba0eb1194a
- root e8485ff3b2d7e886e815cc92077683f51227f726ea5ea13476001b8207965aee