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 - CAR Award a ₱748.2K contract to MEP CONSTRUCTIONNational agencies
Transaction hash:
fb23b35eeab55eaa42de45b72ed0af24f81d1401b578efcc9c78ee92c58daaa3
Status:
Included and unchanged
Block:
#493 5,520 blocks after it
Position in block:
Transaction 26 of 28
Award day:
Dec 15, 2008 (17 yrs 10 mo ago)
Value:
₱748,187.84
Project:
Repair of Magsaysay Avenue Overpass in Baguio City
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 #493 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 - CAR awarded it to MEP CONSTRUCTION on 2008-12-15.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 fb23b35eea…8daaa3now …
- 2. Block Merkle root changedstored 262ce27cc6…add503now …
- 3. Block #493 hash changedstored c985f8f269…d1ffefnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.
- leaf fb23b35eeab55eaa42de45b72ed0af24f81d1401b578efcc9c78ee92c58daaa3
- 01 R fe02e46b5ca9c1d93ff5a6c5f02a8fb44c5f5fe2e4726bccca23ab6631388a97
- 02 L dd31c2691b887fcbadff72daa143298632d44f051c495def1e8e49527a0a4d8b
- 03 R f3cb2ebcf4c4003d75e01a92bac12ca2ab442d71129b5a87c41819ed4dc722fd
- 04 L 1c6918039b52fff205dc97d0dafda2e9df300034153ca698ff805e8978cd1095
- 05 L 92774409fa57b2e22e94386fb529f9ad434a7deb4aff7714636af7701f821ac5
- root 262ce27cc610d77fb8cc8e151fa780a3c8dbed331070e9924bf759b932add503