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 CERVANTES, ILOCOS SUR Award a ₱197.8K contract to EPL ARCHITECTS & BUILDERSMunicipalities
Transaction hash:
381b57b0ab8cc2249d68b8a2176ce1a845842b8fe51845e0c355518310f9bf05
Status:
Included and unchanged
Block:
#1,641 4,372 blocks after it
Position in block:
Transaction 4 of 18
Award day:
Dec 18, 2012 (13 yrs 10 mo ago)
Value:
₱197,750.00
Project:
Counterpart to Construction of Barangay Hall (Rosario)
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 #1,641 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 CERVANTES, ILOCOS SUR awarded it to EPL ARCHITECTS & BUILDERS on 2012-12-18.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 Cervantes 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 381b57b0ab…f9bf05now …
- 2. Block Merkle root changedstored cfa6d92d97…b9b59fnow …
- 3. Block #1641 hash changedstored 130b97bf23…b61866now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 17 records. Each step hashes the current value together with the sibling shown.
- leaf 381b57b0ab8cc2249d68b8a2176ce1a845842b8fe51845e0c355518310f9bf05
- 01 R 4c0636c214c16218b4bdbd05f1efdf515b3ffc7df3cd2a2ab5de63c585635c7f
- 02 R 773861007351f272709e35d015d5a365140f5453723a3e05aef277a0a6e21aa1
- 03 L 30cd2c477110abdc890e842a0295abf2696e0cf7467f5a87d52d8db5979ca647
- 04 R 255879cc09fa5c9ce51f06cd5fb0ddf73156208ea990db77a23399dca89d98c0
- 05 R afd52b02681d7f7cc29179d01dfffe5f629307ec034b075e71049148109ce217
- root cfa6d92d9730a563dfb93ee24c09ce86a605ce25efdfc109dfacd57e04b9b59f