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
WESTERN PHILIPPINES UNIVERSITY Award a ₱3.8M contract to E.D. TABANGAY CONSTRUCTIONNational agencies
Transaction hash:
ddae06eee8f0dd31e99a04b5bac48d994ee28705c746367e0b96b41953cb3fa5
Status:
Included and unchanged
Block:
#132 5,881 blocks after it
Position in block:
Transaction 11 of 14
Award day:
Jul 11, 2007 (19 yrs 4 mo ago)
Value:
₱3,794,085.45
Project:
Various Infra Projects
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 #132 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)WESTERN PHILIPPINES UNIVERSITY awarded it to E.D. TABANGAY CONSTRUCTION on 2007-07-11.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 ddae06eee8…cb3fa5now …
- 2. Block Merkle root changedstored e20be3c8fe…23b9d9now …
- 3. Block #132 hash changedstored da74066cb5…62b5e8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 13 records. Each step hashes the current value together with the sibling shown.
- leaf ddae06eee8f0dd31e99a04b5bac48d994ee28705c746367e0b96b41953cb3fa5
- 01 L d5f71fecc80c8287eab4931bec287474aed443fc9067a983c1576f9897ffe2c7
- 02 L 77731fee334055a201ddd97be112a5d94b4fb104ba75414c0d84aadf83a745d4
- 03 R 0d9dd145b16913bd386835c2f46bfa471051562405398c24f73b27b5ae71ec1f
- 04 L 33f6ad9ec3328f5e6d422c4ca8746b908af98d8b9f1589013deeaedab77ad0de
- root e20be3c8feef35eda582ae7307431c338caead0e588d83e16b6654bdcc23b9d9