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 ₱799.7K contract to NDA BUILDERS AND DEVELOPERSMunicipalities
Transaction hash:
289b8ffa8ca8cf8a0af6b7add96b48fe8d196d76e8ae2e94d02c92ee8f15ea1d
Status:
Included and unchanged
Block:
#2,398 3,615 blocks after it
Position in block:
Transaction 19 of 114
Award day:
May 5, 2015 (11 yrs 6 mo ago)
Value:
₱799,696.25
Project:
Const. of Slope Protection & Other Structure
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 #2,398 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 2015-05-05.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 289b8ffa8c…15ea1dnow …
- 2. Block Merkle root changedstored 4309dff30e…8e9333now …
- 3. Block #2398 hash changedstored 1941826736…6320a6now …
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 113 records. Each step hashes the current value together with the sibling shown.
- leaf 289b8ffa8ca8cf8a0af6b7add96b48fe8d196d76e8ae2e94d02c92ee8f15ea1d
- 01 L 25c2524c4cedc93c4bf84425d5e89c412defb86fa66a4513bcdff746b5c54bf0
- 02 L 10a30a6a54678c24c69f5c62b307655feb27b465456e3ae0bf41d02e07e8e686
- 03 R 039833881b94a4803fa8586e00def0bca153cdf18cc086bd4b5cc2113d000bec
- 04 R bb27d72731370a5234992c5ae0f011594e11a9e78b1fcef066e3a760ea01cf44
- 05 L d1ebad5e3ecce16e878ed73df4b685b1e9d583c5d5d63778d23e239911bf6712
- 06 R b0e3c7149131f2060b3c56053b74239686019f077a2da6d10681d83a6e567b90
- 07 R 720c9f9c7a0b4d164ef0487657c519d9e5e9a24b7dacfc16e052ef68fc78574e
- root 4309dff30e7c4ac6156af9a834f7c30f0293167ce95f849e2601f3934a8e9333