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 - N. ORIENTAL 3RD Award a ₱3.3M contract to BIGFOOT CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
89f3b86f7b4e93ea88e45082d55a3b058b2013a83993d15ab4a70e925bddc973
Status:
Included and unchanged
Block:
#1,345 4,668 blocks after it
Position in block:
Transaction 62 of 111
Award day:
Jan 9, 2012 (14 yrs 10 mo ago)
Value:
₱3,269,390.32
Project:
Rehabilitation/Reconstruction/Upgrading of Damaged Paved National Roads (Intermittent Sections) Dumaguete South Road
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 #1,345 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 - N. ORIENTAL 3RD awarded it to BIGFOOT CONSTRUCTION AND SUPPLY on 2012-01-09.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 89f3b86f7b…ddc973now …
- 2. Block Merkle root changedstored 31298baa6a…44d4e8now …
- 3. Block #1345 hash changedstored a7d5fcdfbc…e28b7anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 110 records. Each step hashes the current value together with the sibling shown.
- leaf 89f3b86f7b4e93ea88e45082d55a3b058b2013a83993d15ab4a70e925bddc973
- 01 R 9154aa5d381141f72f62f096dcc22bf80a81482d115beabf7f1f47f2fa427d58
- 02 L 241b9ac68d23d41be2028e14e741879e07118b1d4ca265de2b9117e9961c612e
- 03 L 36bcd43ae4b8232bb3d3c4cf93d7a2191c9740a638034616e751f28918d5ef68
- 04 L 051d83f973aca1fafac5ce93318264698a874001f5d98217d729e2e47a7a1e8b
- 05 L 61feeaa12a66e57fe78950827d6f918bcb542756ad530dc4efdd5c1b42f4276a
- 06 L 0a28366ccc184f57ddd5ec7a2bade501dcb320a831f69ced4360f910df02fb74
- 07 R 844e33ccd53ef7a7748bcbbca8a66e304b6e6ccccb89eb7d2d346b7586812ee0
- root 31298baa6a129c78298e20d4bee583dc60d30a46c576b93f9357103c4644d4e8