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 ₱580.8K contract to BATCH 81 ENGINEERING & CONSTRUCTIONProvinces
Transaction hash:
8a4f5505fc09816146a5dde6d5020c7d2c38a5935a817f42c9c2e74021271e68
Status:
Included and unchanged
Block:
#1,233 4,780 blocks after it
Position in block:
Transaction 9 of 20
Award day:
Sep 2, 2011 (15 yrs 2 mo ago)
Value:
₱580,800.00
Project:
Construction of Basketball Court Camp Elpidio Quirino, Bulag, Bantay, Ilocos Sur
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 #1,233 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 BATCH 81 ENGINEERING & CONSTRUCTION on 2011-09-02.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 8a4f5505fc…271e68now …
- 2. Block Merkle root changedstored 9972e7e1c0…fae44dnow …
- 3. Block #1233 hash changedstored c5560b1eab…737e5fnow …
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 19 records. Each step hashes the current value together with the sibling shown.
- leaf 8a4f5505fc09816146a5dde6d5020c7d2c38a5935a817f42c9c2e74021271e68
- 01 L 7afb99544215f241d1dd1d1d8d90552e0c4c4772f49ed22a5c27dc947d17f2f2
- 02 R 1206f968fb96a5c3d4032a03ffcc18b2fbf4bf8a710acee306d3b9af24261946
- 03 R 730d63bd8241b942cd3ab925f7e83545b56faed827fa17a24b10e900f6ea1e7b
- 04 L fb9242f72384d758ad977d6ecf6d142642783f46e19e291add5f55574bfd1770
- 05 R fa753b3bc45a8becf612c3b2ac20698bf545932290fb73e281b54c2e2df2dd84
- root 9972e7e1c00f93372eb33aa2e2d1f4514d55fca338d1edbaaf68dfc570fae44d