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 SUR Award a ₱1.1M contract to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTIONProvinces
Transaction hash:
387a0c91bca8a8d7d41d92b651bc1e48f2be710f74279ad558e8dfb02f14e5b5
Status:
Included and unchanged
Block:
#3,892 2,121 blocks after it
Position in block:
Transaction 81 of 380
Award day:
Sep 30, 2019 (7 yrs 1 mo ago)
Value:
₱1,070,020.10
Project:
Construction 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 #3,892 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 SUR awarded it to NGEC-NESTOR GENERAL ENGINEERING & CONSTRUCTION on 2019-09-30.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 Sur 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 387a0c91bc…14e5b5now …
- 2. Block Merkle root changedstored 3c3718d7e7…1978bcnow …
- 3. Block #3892 hash changedstored 51c20ddc7a…d0e98anow …
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 379 records. Each step hashes the current value together with the sibling shown.
- leaf 387a0c91bca8a8d7d41d92b651bc1e48f2be710f74279ad558e8dfb02f14e5b5
- 01 L 3782bd0435726bed21cb201c33215a06019a70f2603299e8683a1832961ce584
- 02 R f0a23ff542b4a3144d208836328bcf2187b43bb6819651c408568d95455de83b
- 03 R ad8d827aa2506586d856b5f4f1b871984ec4aff9461de15ebc690969bf0afd3d
- 04 R f46f94b54dd71c70b0a69c86dbc2d4c44c9b25d8c796d239a1cc82c9fc474e1a
- 05 L 2c5909fa78702d464c6b7afd1fe6803ec512559157c65009885a52700b25ba95
- 06 R e7d49a9bf530f76256843959ed9200e53cd216dbc33c30946905fab4ab20a966
- 07 L fcc29386fa972076e0b199e948fcf3978956b04a11c814b89c8b0b295169204b
- 08 R 790a5ee0fb57ec6f9e7391a8dda79c2312b9aeb84943d46f5147b125b334d295
- 09 R 899613197ee063b39fbf649be204887b3f4be8eb5a6ba328fa65a1af0a4ad06c
- root 3c3718d7e7ebb40285bd438ea0c39d7fa540735fb6d42c54e6e4ad47831978bc