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
CITY OF SANTIAGO, ISABELA Award a ₱489.9K contract to A. DE GUIA CONSTRUCTIONCities
Transaction hash:
7f1e8fdfca3db211b633710e387f7872ab059747ac2cd302923a68e3794ff9e3
Status:
Included and unchanged
Block:
#1,420 4,593 blocks after it
Position in block:
Transaction 20 of 53
Award day:
Apr 4, 2012 (14 yrs 7 mo ago)
Value:
₱489,932.99
Project:
Open Canal Lining Continuation
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 #1,420 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)CITY OF SANTIAGO, ISABELA awarded it to A. DE GUIA CONSTRUCTION on 2012-04-04.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 City of Santiago 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 7f1e8fdfca…4ff9e3now …
- 2. Block Merkle root changedstored e047006fb8…669f8fnow …
- 3. Block #1420 hash changedstored a30a6fb6aa…8eb470now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 52 records. Each step hashes the current value together with the sibling shown.
- leaf 7f1e8fdfca3db211b633710e387f7872ab059747ac2cd302923a68e3794ff9e3
- 01 R 82590bb49f44c579dc20485222466a49f62544de9d2ea7da374a7f70ad86e91c
- 02 R 1330e6655341fb47b565bf4c95e4769319cf7f1d7be80e454a457a367e7d240e
- 03 L 63b8d5d9411bcce8d383e2ff3760f38b94eb91573c3a3b90ff943f86ad8077ab
- 04 R e57b0c78d8ff230fb66d72404099da024492dc36f8a678539162f1819456f09a
- 05 L fae8f4d207577d88ba78c7ecc043cc5f05913f94f24634453c8f6c1ac7a4b774
- 06 R 673d30e5b7aaaec356110dec18bade30c97b4a34b8c4ff7f5fa3ec763693e8ff
- root e047006fb80588cf7c4e3d470bae80911eb7bb0097eab251527cb840eb669f8f