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 ₱998.4K contract to TRISTAN TEJADA CONSTRUCTIONMunicipalities
Transaction hash:
e1ea7c7a95791dadfd33ffb1fbb126161ecf7090cfdf42fb0c765fe8675fd39c
Status:
Included and unchanged
Block:
#3,219 2,794 blocks after it
Position in block:
Transaction 9 of 12
Award day:
Oct 15, 2017 (9 yrs ago)
Value:
₱998,400.00
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 #3,219 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 TRISTAN TEJADA CONSTRUCTION on 2017-10-15.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 e1ea7c7a95…5fd39cnow …
- 2. Block Merkle root changedstored 6452b42862…78fab6now …
- 3. Block #3219 hash changedstored f043f96332…596d63now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 11 records. Each step hashes the current value together with the sibling shown.
- leaf e1ea7c7a95791dadfd33ffb1fbb126161ecf7090cfdf42fb0c765fe8675fd39c
- 01 L c8b4133b4e0a6a50c6c023a86927a1f39ddef91519eab4fc4f9d03f51f9eb5b0
- 02 R c44bfb5237f4b9a7944db6dd8b89bfb1bf744f89203971627964c0294bf5e16d
- 03 R 0b2b310ada39e3153d0259228202797774808b6bbe648cfab1595472d2955659
- 04 L 9b5e4c56bafd7397fabff9f786cf4b43767f0616e656831caf4aa3c778b54d8f
- root 6452b42862ca11872ca98ff02884dd0df4bd336d3d3f1cbf6c60f8679378fab6