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 - ILOCOS SUR 2ND DEO Award a ₱38.7M contract to MBB CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
17dc2cb2395d13f4247da3ca963ea5afce8768a618ff8cf280d7b93b1c1e574a
Status:
Included and unchanged
Block:
#3,373 2,640 blocks after it
Position in block:
Transaction 35 of 452
Award day:
Mar 27, 2018 (8 yrs 7 mo ago)
Value:
₱38,722,543.49
Project:
18AD0008
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 #3,373 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 2018 OO-1", i.e. the FY2018 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 - ILOCOS SUR 2ND DEO awarded it to MBB CONSTRUCTION & SUPPLY on 2018-03-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18AD0008: 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 2018-11-30). 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 17dc2cb239…1e574anow …
- 2. Block Merkle root changedstored f5a847d5bb…4bf838now …
- 3. Block #3373 hash changedstored 888f0426cb…4aa4b0now …
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 451 records. Each step hashes the current value together with the sibling shown.
- leaf 17dc2cb2395d13f4247da3ca963ea5afce8768a618ff8cf280d7b93b1c1e574a
- 01 L 16b7ed916bd5b25161ded9bdaca0ead61028bdf04f98ec04a872150f1d7bd44a
- 02 L 1ac561069ca75ad3d33364ac3d2738bbd92dc3ecb44f241c32d5fa08d29b6e13
- 03 R 05cc855048adc6271f13b6bf8ce95cae54e62d8b753404073867901f0c07403f
- 04 R 324e2c5635bee57827badd1bc3d4d4d312db33db477abba91f0d845b14a6a966
- 05 R e0b075ae449600b0de3ac305daf23b8d2720cbec2e6e610b4599efd366c38bd7
- 06 L 0dbabc476d3daeadd5d21ebf156f0d034ed5570d8b362195538676ce3c757ad8
- 07 R ab3fc5268600fbaa8e1aad60ccc516bc6bc050fe20b2d33b45e464713a0711a3
- 08 R d80c54a29fc440c9decad345863b7aa27d7f46ccd2994180d046b4ca5630871c
- 09 R b68a1be520c2dad75924419365c07e01c590ea6b1107751968025bcc4272c998
- root f5a847d5bb44c24d41d8cc8c71936e7417064a6848c25267c5550988b74bf838