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 - CAR Award a ₱140.3M contract to OMENGAN CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
b89c7b7328319210c8c54ee3cc0e97d0dc4ad4ce3950244715a6dc138431e66d
Status:
Included and unchanged
Block:
#2,991 3,022 blocks after it
Position in block:
Transaction 173 of 226
Award day:
Feb 14, 2017 (9 yrs 9 mo ago)
Value:
₱140,326,065.00
Project:
17P00009 Tabuk – Banawe via Tanudan – Barlig Roa
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 #2,991 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 2017 MFO-1", i.e. the FY2017 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 - CAR awarded it to OMENGAN CONSTRUCTION & DEVELOPMENT CORPORATION on 2017-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17P00009: 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 2018-09-28). 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 b89c7b7328…31e66dnow …
- 2. Block Merkle root changedstored 74f53d85cd…9a19cbnow …
- 3. Block #2991 hash changedstored c5833b1020…c24bdcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 225 records. Each step hashes the current value together with the sibling shown.
- leaf b89c7b7328319210c8c54ee3cc0e97d0dc4ad4ce3950244715a6dc138431e66d
- 01 L b40b265357fdd9447a1a2bf11e5fbe0d91f1086aa3721f7849e932ff1bd63b09
- 02 R 189265dc26e8fa5c50bf58f50987960c9e30c5e1fb4fc0708e0a4deb27f2f6e9
- 03 L 10dfacc33898f3e3cb11ef964267263d68cdcd9bda4b8516f80aa7fcf7fa222a
- 04 L 656913f9b9be8e8b7c8c48c64075e475f01a8c78a3a7c57ee627026b84ebd54f
- 05 R e1aa407034c8adccdb2bfe49a7a3a7e4d0c154f9f3c75083cb0c7737e66ed582
- 06 L f23568a4cd15d84747d56c680478f5a6ea4b0977696414a404a74b10c00df920
- 07 R 48005c43a75c0c336e3c691ef9906ba70c15a383cb884ca803bc125001563b81
- 08 L 64c49e93d5be6028b697af2e32d611852dc4413122cf395fc920a284b937b4c6
- root 74f53d85cd46c32af23b19632e16795e84a4931c42050ff7e462b802169a19cb