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 ILOCOS NORTE Award a ₱2.3M contract to ALTHEA CONSTRUCTIONProvinces
Transaction hash:
1d3afd359890ce4cdf046eb9be915d0216cb04c84c0788c6ae2ad92182c991fc
Status:
Included and unchanged
Block:
#3,974 2,039 blocks after it
Position in block:
Transaction 52 of 418
Award day:
Dec 23, 2019 (6 yrs 10 mo ago)
Value:
₱2,316,777.63
Project:
Construction Projects
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 #3,974 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 ILOCOS NORTE awarded it to ALTHEA CONSTRUCTION on 2019-12-23.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 Ilocos Norte 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 1d3afd3598…c991fcnow …
- 2. Block Merkle root changedstored 3e238bb282…6f8ab5now …
- 3. Block #3974 hash changedstored a3c1339d7e…dcabc9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 417 records. Each step hashes the current value together with the sibling shown.
- leaf 1d3afd359890ce4cdf046eb9be915d0216cb04c84c0788c6ae2ad92182c991fc
- 01 R 1d97c0561ec725e1afcca26e77b256521ee1dac65b0456369346b15b854d5380
- 02 R a7a8947368bc5dcf6780e7c5e0dcc6e724699af08087e9c8d7254f2b209b9dd0
- 03 L f6cfcaafa2f52d2f4575c6dfa20c24d42c955c65cf14935a3ee58f463fa4fdf1
- 04 R 6de58f3c7719f1880a047951ced86b78de01d0711e088f9e04092f2510b6b1c4
- 05 L 1b0c783e9b5deff66d3f951e88bb6c76aad93bb275d0610e3c945740a489fcfb
- 06 L b6fa1dcfa48152152ea8b70a04c2ad1b8124fab4ffe84e11e9194bb52f8d1184
- 07 R 988fa6fed0295feee6fe9b08f682850361f854dfdf92a85cdd2fe3c0cdf8377d
- 08 R 0e53c06f4b23156aa704d3d66d962d0e6a08cb0c0750140acbd3910adc6977b7
- 09 R 4139ed5bff8cd57c042615a38ee6c87824c2f1f2ec52c4cab6a48c762b90fdde
- root 3e238bb282f93042e842a5bc89ff1b6357bc967b4ad03709451706b4286f8ab5