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 - LOWER KALINGA DEO Award a ₱40.6M contract to OMENGAN CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
34005f662c19bb8c5e8b96adb3dd6bf27b6b61f37799b51f2d11558b5da59c49
Status:
Included and unchanged
Block:
#4,493 1,520 blocks after it
Position in block:
Transaction 82 of 363
Award day:
Jun 28, 2021 (5 yrs 4 mo ago)
Value:
₱40,580,222.02
Project:
21PL0063
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 #4,493 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 - LOWER KALINGA DEO awarded it to OMENGAN CONSTRUCTION & DEVELOPMENT CORPORATION on 2021-06-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21PL0063: 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 2022-04-27). 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 34005f662c…a59c49now …
- 2. Block Merkle root changedstored f9e67f2178…23f1b5now …
- 3. Block #4493 hash changedstored 8b9441ff68…a67b0fnow …
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 362 records. Each step hashes the current value together with the sibling shown.
- leaf 34005f662c19bb8c5e8b96adb3dd6bf27b6b61f37799b51f2d11558b5da59c49
- 01 R 342a0236b17139b5df1641def58f912154b59fab6534c27d0e7d0a0f781f80ea
- 02 L cf580472345d3c3a62ddaf63d494a051505160b8d4932c988f90a1e7b381f2bd
- 03 R 613f125dcde1d2c938aee0d05bc606b25739b4af3d880615801f146eda39a733
- 04 R 0e90d1e83d88eae090c48c9ad2599e40775b6159f2d4a3e750e4f9670298fdd9
- 05 L e839c3359833f691207129e40d2547495f8ecd762a2a5eb59c5f19bb49ff7622
- 06 R 88f11bd3c5894d8ce8181b00b772e90dd6736b90549f9ea4a90c875e3bfa477a
- 07 L cad3fd71de6ba4edf8d3908c62b6db24c1036f43133fe8ab6b0bc7985e883c25
- 08 R 45ca9c455bf744001e32b6441e65a389ee02578123c191515f2ddd19e2a9832b
- 09 R 427178990de991eb73f144ed0342fdfbdd4d0f592e1466b1fbeef83fbf9a68b0
- root f9e67f217868131eb3e3f5396163a1371637a3e3331973e365b7c0005423f1b5