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 NARVACAN, ILOCOS SUR Award a ₱7.0M contract to BM-JEM CONSTRUCTIONMunicipalities
Transaction hash:
8530edf65e7e449addec41ba6dcee94cf693f3ed5a33ed389b18640a594ab8f0
Status:
Included and unchanged
Block:
#4,721 1,292 blocks after it
Position in block:
Transaction 190 of 354
Award day:
Feb 16, 2022 (4 yrs 8 mo ago)
Value:
₱6,993,196.64
Project:
Construction/Rehabilitation of Farm to Market Road
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 #4,721 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 NARVACAN, ILOCOS SUR awarded it to BM-JEM CONSTRUCTION on 2022-02-16.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 Narvacan 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 8530edf65e…4ab8f0now …
- 2. Block Merkle root changedstored a53672f2c3…bea3cbnow …
- 3. Block #4721 hash changedstored 0af7e1b7e4…0f822anow …
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 353 records. Each step hashes the current value together with the sibling shown.
- leaf 8530edf65e7e449addec41ba6dcee94cf693f3ed5a33ed389b18640a594ab8f0
- 01 R 853d5315d6f41e133179671a208534b15d9c48c4fc475a7ae130dfeca2639e83
- 02 L f70b900eb47f4d77c90efdc59d2dbc4aabdddf1536c985812cf48f41bf320f1b
- 03 L 5703f44e7bf9f23ad440e25c720f73b7a525cd9c56e681589eba84d7daeaa0ed
- 04 L 25dc95007f64ffc33b92073380b8be004c4e1e535edd83f2c025a8eeb6ad9c42
- 05 L e20380eb857254d2669a4dc59c95b091efa25fe5c4eb731139208478e1e24b7d
- 06 L 3adc2d17bb74f6eb9c8b33f552d35130b40e612e8bccf788e83786ca0edae952
- 07 R 33615b5635101db21ebdf8c4b2f5288fd9ae0b545b1b13011669d21f9f3f0678
- 08 L 058b6987a6fde4d3d74557b47f35aa92afde25630f6d8ccf4b56e20a0178c5ae
- 09 R 6e86641aa553314997349f27dc5cdd2cfddde6ad24aec4cc0c61a75abc1fac07
- root a53672f2c30deb667b08b83223b669f1baae540d8fb35b15f43cdd2618bea3cb