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
CITY OF NAGA, CAMARINES SUR Award a ₱662.3K contract to JOMASAN CONSTRUCTION AND SUPPLYCities
Transaction hash:
f41f4e077c91353ad228b0d02ee9a6c9c380daa56ebd23baf1f21f3f5ee5cd8f
Status:
Included and unchanged
Block:
#3,694 2,319 blocks after it
Position in block:
Transaction 282 of 295
Award day:
Mar 1, 2019 (7 yrs 8 mo ago)
Value:
₱662,306.26
Project:
Infrastructure 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 #3,694 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)CITY OF NAGA, CAMARINES SUR awarded it to JOMASAN CONSTRUCTION AND SUPPLY on 2019-03-01.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 City of Naga gave a "qualified" 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 f41f4e077c…e5cd8fnow …
- 2. Block Merkle root changedstored 38d405a744…47079anow …
- 3. Block #3694 hash changedstored 808da05784…76999anow …
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 294 records. Each step hashes the current value together with the sibling shown.
- leaf f41f4e077c91353ad228b0d02ee9a6c9c380daa56ebd23baf1f21f3f5ee5cd8f
- 01 R f524c63152caff6952784e4bd6966cf7064ca4b0b20654a939934c11643c6f52
- 02 L d1089b7a621c07f35679c0af34af6632ad1e6b7f92f632d1bf3b79edaacf2cb6
- 03 R 5ac1331208c99c6242d2bfeb9e063bf9cadd70b7808b551e1df582bbd6d76b93
- 04 L 4626e64bc20619bcf8c686f2dbb681b5d6c05467ca6b3e0525a7cfac4d247b80
- 05 L 5ebe19b6b127898dbee25bb9a46f66d369ee824713e1943b805fddd52ecba373
- 06 R c5efdcbd5cae4650579734eed87476eb623dfabefe2e2a57ea52a47fda28d965
- 07 R 768a4fe9167b8f0f98d940463b2462e068888e74c86663f821f7e0aaae339755
- 08 R 4992a68fcf22cfc24a036a15e6fe4350b7112840994b91c8b9fa0ae313f283dc
- 09 L 2f6abd1d09364df1d42d8aa53d133b1fab89f284b6f14a777836e6fd1948e106
- root 38d405a74483b8b981157050ef434f7abbf5c3536836d84f6dade06da247079a