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 ANGELES, PAMPANGA Award a ₱4.0M contract to A B N CONSTRUCTION CORPORATIONCities
Transaction hash:
2aa3dbc67f7f1e7a1f1b97fd297edcd3d71181dc1736595b0cfe864ede53e359
Status:
Included and unchanged
Block:
#1,512 4,501 blocks after it
Position in block:
Transaction 12 of 69
Award day:
Jul 19, 2012 (14 yrs 3 mo ago)
Value:
₱3,995,447.51
Project:
Const of 2 storey bldg Brgy Sto Cristo Hall
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 #1,512 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 ANGELES, PAMPANGA awarded it to A B N CONSTRUCTION CORPORATION on 2012-07-19.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 Angeles 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 2aa3dbc67f…53e359now …
- 2. Block Merkle root changedstored 54cb58d9fa…215ed8now …
- 3. Block #1512 hash changedstored 5990fc5555…926756now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 68 records. Each step hashes the current value together with the sibling shown.
- leaf 2aa3dbc67f7f1e7a1f1b97fd297edcd3d71181dc1736595b0cfe864ede53e359
- 01 R 3adfc919ae36bd0344edde677d45183ae75babae9d65f286a670361a60a00fd5
- 02 R e82a480810374f36217c6950f58e437c7a3fbc5ccaa1c6e968695dd95ebd382c
- 03 L 0e071446b4bd44805c1478216fc75c10475bb437ca2045354ff4a3c4145716ec
- 04 L d77c5ba19ed89eab2a3362756d971a23cf02d411bf5c9ddf953315c80add41fe
- 05 R 4cc484853bc55fe8fce8bb9b4362eb5d3cdd652746dac361b53128b57483c9d2
- 06 R 223b53689df58b88a0c7291dd21e58e3007cce10952e5357cd806b7a00aec2cb
- 07 R eb776ea4062d38ebf83a27b703b84e2a17936045dc4dde0c26adbbf8a575b9ab
- root 54cb58d9fa463a2cc386758d73dc025c4ba072e74e79d3abe09728d2cb215ed8