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 I Award a ₱51.0M contract to T.J. VELASCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
4bf6ecb6d9857005b7fa4b2ce463b1ce23a18816a10fb98ad8256ba5f516534c
Status:
Included and unchanged
Block:
#1,990 4,023 blocks after it
Position in block:
Transaction 48 of 160
Award day:
Feb 3, 2014 (12 yrs 9 mo ago)
Value:
₱50,985,492.35
Project:
14A00008
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 #1,990 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 I awarded it to T.J. VELASCO CONSTRUCTION & SUPPLY on 2014-02-03.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 4bf6ecb6d9…16534cnow …
- 2. Block Merkle root changedstored a5373a21d9…1dd2c8now …
- 3. Block #1990 hash changedstored 59fc94c0e1…e125d5now …
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 159 records. Each step hashes the current value together with the sibling shown.
- leaf 4bf6ecb6d9857005b7fa4b2ce463b1ce23a18816a10fb98ad8256ba5f516534c
- 01 R 51185149d30af67b4fb746d83e0dcef3fc27d7408b8141e2b1f19462958426db
- 02 R 8572697dd24f96a0b2caaa8597d48ff39096891d9be49c4774df26e742d09096
- 03 R 1d1a51359c2ac974c67efe72b679433ceeaf5e3f524c28d00a63c45f866300a1
- 04 R af787a27e80fcfcb62b1a39100b593534aee4fa28804b62ca8785caf44f9fa87
- 05 L 95e6a718485e0f924a709e5568af49c73cb5571592959d20dbd9a2ce4d5e9abb
- 06 L fdc591f81cb111ffe57eed5a10a6dc01de36a7f44c1f0558cfd97e58a0026d6c
- 07 R a5cf1385648240a159fa8630f951b87b8878204bcd883aad582ae6cf22023a89
- 08 R e457d4d7ac69c9ee146ee9486e4413ce302279185c29d8fc26e097c0b62e800d
- root a5373a21d914f666672fb988ac632a2ed0e2094e71bd5c1fa3bdb9fe001dd2c8