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
PROVINCE OF TARLAC Award a ₱912.3K contract to F.A. ASPRER CONSTRUCTIONProvinces
Transaction hash:
393a73ebb7f99ddec762e0ee68235423b3a46cbdae9cc8022ef677bb6199d469
Status:
Included and unchanged
Block:
#3,117 2,896 blocks after it
Position in block:
Transaction 74 of 333
Award day:
Jun 28, 2017 (9 yrs 4 mo ago)
From:
Value:
₱912,348.00
Project:
Backfilling of Parking Areas and Roads
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 #3,117 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)PROVINCE OF TARLAC awarded it to F.A. ASPRER CONSTRUCTION on 2017-06-28.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)COA's CY2024 audit of Tarlac gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 393a73ebb7…99d469now …
- 2. Block Merkle root changedstored 3a37336c67…82e540now …
- 3. Block #3117 hash changedstored ffef772d75…67faa3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 332 records. Each step hashes the current value together with the sibling shown.
- leaf 393a73ebb7f99ddec762e0ee68235423b3a46cbdae9cc8022ef677bb6199d469
- 01 R 398f24381c3b5b199ad0df802c7048e9c58ea54db536898de50fd35ca4b41bf9
- 02 L d58cd004d36f97287bfb8ee08aa24244e89c6f47594bdedc42ccea5a9d096223
- 03 R 804ec802796a64740109c2bc4fff50e94c00213130470e5062b34622da27d1e4
- 04 L 6b65a1150bf5df87c5f84755eaba54c0b39c4a98f5fe1169e60593b790615a63
- 05 R 36b041cfb76aeb6f72912a4155dabb8d6762781762a1c2b37ac575bbf2e8f85d
- 06 R b62cf0e4294a1b8f4ff3a35ccbe8e1e9b8729e31fe0fd0c76b2a32f2d1840b00
- 07 L b374150599c857d0112ff1b9e1c743d1a08122b804962b6e402a06c7c181f73b
- 08 R c3eeb17f1c28e689f1edfc6a139171090d7c3a590098613f3dca26c375c4b657
- 09 R f8de764f65955651366870fb7f45a6db295a5c6e4a7f90442688c75444a65ba2
- root 3a37336c6757ed8a136a749756b430c8ca6f44d63f2f0ee45c1c72a97582e540