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 XII Award a ₱26.1M contract to NIRVANA CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
7a99cc5aed3d61ba5e9b705d474eb1620f11416df31637425bd6b30c4b21ae12
Status:
Included and unchanged
Block:
#4,904 1,109 blocks after it
Position in block:
Transaction 132 of 297
Award day:
Aug 31, 2022 (4 yrs 2 mo ago)
Value:
₱26,051,205.36
Project:
21M00099
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 #4,904 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)DPWH lists the funding source as "Regular Infra - GAA 2021 OO-1", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 XII awarded it to NIRVANA CONSTRUCTION AND SUPPLIES on 2022-08-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21M00099: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-01-17). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 7a99cc5aed…21ae12now …
- 2. Block Merkle root changedstored b4f01478ca…635c90now …
- 3. Block #4904 hash changedstored 9df89abcd7…90c1f2now …
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 296 records. Each step hashes the current value together with the sibling shown.
- leaf 7a99cc5aed3d61ba5e9b705d474eb1620f11416df31637425bd6b30c4b21ae12
- 01 R 7bbfa9c8e466497e007d8505ea97dda56c4a03201275c00b48ee30cb67c6ec50
- 02 R d456cdfe3cd2f561fa2c55809afd7894a8ab8ae2eb5de7a55af853bf4f51ebf3
- 03 L f0292ac3fc8db66b8205109f12889cdd26b5b3a87d32e644b0d6a60c2c9bdcb1
- 04 R 14fe31cf71796cbefbfef1db49b5a2caea9645e50f74b7e351ef7a1882fcb205
- 05 R d24d96a6dbfd7d631126916bb66018e41fc8311e4227122b3dbda71391a9f285
- 06 R 508c249abceb3f934ccba388bb1ff170d9dd7e7f151dc0bc64da64980819e3d6
- 07 R 41ac2ef000faed79400b1dcb5cf3069277eb4365610273035ed0d5e44a2591a0
- 08 L 5174aab5af8d8d94a1a5285b4b2364b62ccad7b14add569aea77c31dca91f646
- 09 R 5b95f88db131d6d04f88f7ad7826b3c83a11e4c151d090e7faafedfbb8e6c2d2
- root b4f01478cad7eb039d900f943ea6750bd45614f919fd36bb98d55d53b3635c90