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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS Award a ₱4.5M contract to MBB CONSTRUCTIONNational agencies
Transaction hash:
caba5b81b318e2ab6bd5e48b9d03d7ab65d0cb989dc6aa73710e7fe7f182a4f3
Status:
Included and unchanged
Block:
#1,355 4,658 blocks after it
Position in block:
Transaction 54 of 72
Award day:
Jan 19, 2012 (14 yrs 9 mo ago)
Value:
₱4,467,404.56
Project:
Asphalt Overlay of Vigan-San Vicente Road, Vigan City, Ilocos Sur, K0408+(-1487)-K0407+000
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 #1,355 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 1ST DIS awarded it to MBB CONSTRUCTION on 2012-01-19.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 caba5b81b3…82a4f3now …
- 2. Block Merkle root changedstored 5d626ac0dd…e4eadcnow …
- 3. Block #1355 hash changedstored 388e26304f…e60401now …
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 71 records. Each step hashes the current value together with the sibling shown.
- leaf caba5b81b318e2ab6bd5e48b9d03d7ab65d0cb989dc6aa73710e7fe7f182a4f3
- 01 R d3c76b1a41eef3380fc3f0d3bc8e28cebbac326aa53e964889475d5d637d09fd
- 02 L cfa8bb2f618da820711097814ecc1c49ccae278824494cb947ec0b3b74f2eeb9
- 03 L f6345c2e13528176e21eebdbe97bf15c519cf566745700735f6c4514fafec04f
- 04 R 401fda3fb813c6362a94649dfeb3a81ab27827bf49c152bf95976eeafd8a9cc4
- 05 L 2dfb1cff63ae34ce48d76a67730ff026b6bc0926aefe7fd458cabd6addea8c6d
- 06 L 2e0ff7eb3740fecaaf4b3fdceb8c1149e97cb6a136993c28ec941d322f19e15d
- 07 R 406529732009c16c989d4f98ed2f0a4c9d8560dfcf9d30bef9fc28242f5c39ff
- root 5d626ac0dd4b34f1fda5e56236b5ca24189318f730323da44654b91cace4eadc