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 - QUEZON 4TH ED Award a ₱2.0M contract to ZELAN CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
ecd681c476348f85c984e4362b9801140874fcb360ddcc85a5afbbb4baae3600
Status:
Included and unchanged
Block:
#2,649 3,364 blocks after it
Position in block:
Transaction 142 of 157
Award day:
Jan 28, 2016 (10 yrs 9 mo ago)
Value:
₱1,977,880.40
Project:
15-DL-0185
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 #2,649 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)The award does not say which budget line pays for it.Not published
- 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 - QUEZON 4TH ED awarded it to ZELAN CONSTRUCTION AND SUPPLY on 2016-01-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ecd681c476…ae3600now …
- 2. Block Merkle root changedstored 9ed85f85f1…a9cf38now …
- 3. Block #2649 hash changedstored adea46021a…f72c06now …
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 156 records. Each step hashes the current value together with the sibling shown.
- leaf ecd681c476348f85c984e4362b9801140874fcb360ddcc85a5afbbb4baae3600
- 01 R ed59a9170aa76e86fc4f7011da2c8557d63911fb82a6896f3932e28b779ff375
- 02 L efaafbb8bc12e591398306cff446d445d55d7331903aa3e7e0fb4a92afaefbf0
- 03 L af49d720ea9d3a13f18913c9270b2fe94689310f103adf66dd6e0197caf87963
- 04 L 705019eaf80d9ed40e889fdcc96af092970c33ac8675e329bc500c8de71da1c2
- 05 R 560d382407701885ede343bf46fc2c33eaf4fb9763a47e33a1c91aca302002f7
- 06 R bd88a881414172a60e153f6ce97428583f874d3b8ae7a98c44d9657070c2d20f
- 07 R 0a4a43cf144b17dc14e426e49f29c987cc8ec1f9a1e32ea85efba938539578eb
- 08 L 3878b8ceef10c52f1bb6bcdb9e5a3aeff11b944d9a6f3712ccca08ea4c31c419
- root 9ed85f85f13a2bffea30a79d7ea73edf14fce0666035e361c2ae2799baa9cf38