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 - REGION IX Award a ₱45.7M contract to VICENTE T. LAO CONSTRUCTIONNational agencies
Transaction hash:
73f84c779724b43db96c15ca9d6dba71449f5803fd9e5e130a777c4e1c26e3f9
Status:
Included and unchanged
Block:
#1,887 4,126 blocks after it
Position in block:
Transaction 63 of 141
Award day:
Oct 11, 2013 (13 yrs 1 mo ago)
Value:
₱45,741,879.99
Project:
13JO0040
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 #1,887 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 - REGION IX awarded it to VICENTE T. LAO CONSTRUCTION on 2013-10-11.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 73f84c7797…26e3f9now …
- 2. Block Merkle root changedstored ff72e158d5…f126c0now …
- 3. Block #1887 hash changedstored 653097fece…9628a5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 140 records. Each step hashes the current value together with the sibling shown.
- leaf 73f84c779724b43db96c15ca9d6dba71449f5803fd9e5e130a777c4e1c26e3f9
- 01 L 6fe85460c09443ffc291e6edb94b74057a26da2e43807cb4473eae8c8565c8ce
- 02 L 4c9d754331ded544cb91301da000232001df685a42e12f1797c8b2ee65fc3746
- 03 L 6228c07e8f55f2e5c3e3369b1406f656539445254302ba4308554980231c43ea
- 04 L d99a1e3c1d8e5cd950bdd206bfd91c058560d65ae7a34a8be3aee8a37025b5c2
- 05 L daba8bd820c96c6a43875ff75ec99f1b4e296a2e00a3f754f197bb3ab58ff666
- 06 L 6382ca37abfe5316bac08e9cc5ea814081056801af573bf8eed8bf83de6b102a
- 07 R 1241f35bf6b9f36406ba8bd50f2eb67b1beb5ebc77bc19f48b4ff7cfae6dfbe4
- 08 R 2c79772f7bef0806c30fd75c3a1f775fcece8f6418b8c46e5c91c66108f5920b
- root ff72e158d503d88ab6e67342a6a7315ff7e7354b414401f1761ae3c0f6f126c0