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 SAN NICOLAS, BATANGAS Award a ₱252.6K contract to NDA BUILDERS AND DEVELOPERSMunicipalities
Transaction hash:
dc9da86cd62956cf80cdc53a6c02dde963b4a4cea379301ed3b1be995798da32
Status:
Included and unchanged
Block:
#2,482 3,531 blocks after it
Position in block:
Transaction 108 of 119
Award day:
Aug 6, 2015 (11 yrs 3 mo ago)
Value:
₱252,584.50
Project:
Concreting of Barangay Road at Brgy. Hipit
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 #2,482 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 SAN NICOLAS, BATANGAS awarded it to NDA BUILDERS AND DEVELOPERS on 2015-08-06.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 San Nicolas 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 dc9da86cd6…98da32now …
- 2. Block Merkle root changedstored 0bc3308774…890025now …
- 3. Block #2482 hash changedstored 39a994dfab…cf2efanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 118 records. Each step hashes the current value together with the sibling shown.
- leaf dc9da86cd62956cf80cdc53a6c02dde963b4a4cea379301ed3b1be995798da32
- 01 R df7b54bf9fe9f0c81bafbd14434b25810fd65c93ce8214b965d7560dd6fd8421
- 02 R c608be79ab9ac10d8ab176a1077fd2af6e58baf22f7a354914a6a2afefe14b4a
- 03 L c47372c7f57437e0b468b9c46cc2ec332e1af2683e2d3ad57823e97c02c40e45
- 04 L a98f54776cc720255ff3a9ff1fcf31fe97c7d2788c61c49296a7704d38965f2c
- 05 R ea699775c0640a20c2a31b66f637c9c342fcfe6ac96e1073be5ffc85a774139c
- 06 L 0b5c64c50c4605ee774be402929409e0755a973ffd8dcfe9c863aff134c3ed94
- 07 L a9a85960fa906b6658f1fa82d737115d8b96accde2d2e2260394c8b4a6d4e1f4
- root 0bc330877436ad0a6493c40be02c75c50759ce3ec0a74340cdd3447864890025