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 - BATANGAS IV DEO Award a ₱1.5M contract to VITALTECH CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
f6d64d7b5defb793fab9bd5cd8796553a6a8f9ec41f192bc5d8ac468e28c4621
Status:
Included and unchanged
Block:
#4,940 1,073 blocks after it
Position in block:
Transaction 266 of 280
Award day:
Oct 7, 2022 (4 yrs 1 mo ago)
Value:
₱1,536,451.00
Project:
22DD0343
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 #4,940 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 - BATANGAS IV DEO awarded it to VITALTECH CONSTRUCTION CORPORATION on 2022-10-07.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 f6d64d7b5d…8c4621now …
- 2. Block Merkle root changedstored a158e6053b…d46640now …
- 3. Block #4940 hash changedstored e7635d0eaf…be6f76now …
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 279 records. Each step hashes the current value together with the sibling shown.
- leaf f6d64d7b5defb793fab9bd5cd8796553a6a8f9ec41f192bc5d8ac468e28c4621
- 01 R f7b6e236233679130793010781f063c5c1a30c4da4865d6d8b7b576671b3185a
- 02 L fbe88b79f7c3c1e330f6bffeed1695eca88f038d74efb2f5ed0d972abc71a7bf
- 03 R dbbededd5771ed6954b5894f737faad1e906ce3c5f3a6f52ac2c10ffe840e818
- 04 L 95f82c3486e90bb93299ffe7caf34af211a3f5d1bc28d2bd590d0510153f0617
- 05 R cd7169c8772861bef8dcbb6568567cf47c6c196028f75efcd83ce089eabe1ed4
- 06 R b2b63322af25adafa325bdb1fc2c8b229c4d49a62f126d2c64b8cd447351d590
- 07 R 213b26ce542bd6916299673ccf1727afc9e737dd4c8df0eb24134fa6316ff1ea
- 08 R 1d318d94af05d5f170fdff4e5e6e7eab9a44734c14a37a67d6caf6ee8fa897d4
- 09 L 50b6bdb53b254c71cb3148061791f525ac1148fb90ccd1cd274d04f1ee2a6b78
- root a158e6053b7e2249b5daf6b78d78fed1ee9645bc40041119b28db875c7d46640