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 SANTIAGO, ILOCOS SUR Award a ₱1.4M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
f67d5376b4ccc43555c8024f40c18689cfdf4983249795277bb0e493a0049dcf
Status:
Included and unchanged
Block:
#2,513 3,500 blocks after it
Position in block:
Transaction 141 of 148
Award day:
Sep 9, 2015 (11 yrs 2 mo ago)
Value:
₱1,357,000.00
Project:
CONCRETING OF FARM TO MARKET ROADDAN-AR
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 #2,513 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 SANTIAGO, ILOCOS SUR awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2015-09-09.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 Santiago 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 f67d5376b4…049dcfnow …
- 2. Block Merkle root changedstored 67af1ada2a…5bd787now …
- 3. Block #2513 hash changedstored 728fe1874a…8e92c5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 147 records. Each step hashes the current value together with the sibling shown.
- leaf f67d5376b4ccc43555c8024f40c18689cfdf4983249795277bb0e493a0049dcf
- 01 L f65957c28a13a2839b20092428a438a7e8ca6066bdd3a8e334a1d89628e50485
- 02 R 854640f17d7fb0916c51f3ae442885e8b099fecc09f4a89eb19de482f29f4a22
- 03 L fa74a468b4200b43fcbf6c2f1cf687a497cdb8c231cdd57513bdc294c5214e1d
- 04 L d4b4331293864a6e08c31b145d8c2af4dbcf40ab413d5c0c79c92486fe102f51
- 05 R 556f21a92db7e026c823273f7aa9f7ce222d4096ad0b8a9803bcac09d36a573c
- 06 R b5bd47e6f8c9e0bc0db3793fb527283880417889f97d601db99d40b9dcb3951c
- 07 R d60ea356446c4aae6091be7ad267f46f51ced11000753720300ec5e875e68545
- 08 L a61d53bb2ea886bd006796dad6c3a47d3ee04438931d42f122e9a62b0a6456bd
- root 67af1ada2a306739bcf0bc50bcff668c4015be08732704ca7e55951bc05bd787