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 III Award a ₱144.2M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
f867aec0de74fd2ae7b1c7e7277e96e772953a2cdef02d2df22362c5f17b18e2
Status:
Included and unchanged
Block:
#2,855 3,158 blocks after it
Position in block:
Transaction 201 of 208
Award day:
Sep 20, 2016 (10 yrs 1 mo ago)
Value:
₱144,151,590.42
Project:
16C00053
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 #2,855 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 2016 MFO-3", i.e. the FY2016 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 III awarded it to NORTHERN BUILDERS on 2016-09-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16C00053: 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 2020-01-07). 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 f867aec0de…7b18e2now …
- 2. Block Merkle root changedstored 12d0fe970e…1df4c8now …
- 3. Block #2855 hash changedstored 4902449c8d…532354now …
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 207 records. Each step hashes the current value together with the sibling shown.
- leaf f867aec0de74fd2ae7b1c7e7277e96e772953a2cdef02d2df22362c5f17b18e2
- 01 L f7e68bf87ddc2f126a05aef7b02094fe159d971d51d38668dec91fe9985e65b7
- 02 R 820d33265f07ffd06e7cb2c236a144259275e74de537eb4d6aadfc5acb63acf8
- 03 R cf93ee2c2c32ddb3233e5f52bda14f26347f96ba354ed096461503560fb783cc
- 04 L 627ec0157c7dcfcf9bd09dd1a2ab31b677b5d1f347408ec101d94c8760263246
- 05 R dd84eda78add8152c86f047da7b8ba43fb243c9beb8dd58a782906af6ef25bcb
- 06 R 56570600627d5ea8f77c75bacec4f57a8cd01a9186ee9ecfa424be1db2f1fdc5
- 07 L 044b2e2cea1b88361fc2e1d509f7335d999b85cb3c1b931438eda408175d67e1
- 08 L b7a0d99ce13322f485e5ec0bcc23d6c6c763d4fa5f09047fa7ac7f0047ea94c7
- root 12d0fe970e9a8c209ee90888a0b73c092f9359a6f3209e66ffab47f2711df4c8