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
409TH CONTRACTING OFFICE Award a ₱766.7K contract to DEX-SAL BUILDERSNational agencies
Transaction hash:
a828edf9df78f6f015c2b343d6064ae8b76425311870f01c74009a09fd76568e
Status:
Included and unchanged
Block:
#4,524 1,489 blocks after it
Position in block:
Transaction 5 of 9
Award day:
Jul 31, 2021 (5 yrs 3 mo ago)
Value:
₱766,700.00
Project:
R & M Buildings
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 #4,524 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)409TH CONTRACTING OFFICE awarded it to DEX-SAL BUILDERS on 2021-07-31.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 a828edf9df…76568enow …
- 2. Block Merkle root changedstored 9b71b7e737…98370fnow …
- 3. Block #4524 hash changedstored 2d66ec0c98…f78213now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.
- leaf a828edf9df78f6f015c2b343d6064ae8b76425311870f01c74009a09fd76568e
- 01 L 7fe66ac5257b8e2dfa5a701572ee4c60d430586d7344c349e6b4230b0ec1c985
- 02 R a0708dd67ccc073d63ef141bbdd0b653bca0301679dd2251a9c5ec3a6a834832
- 03 L a1e13fe3882575a124eb9f8e1b6b6cbfbbc82213281a7cba64bf828a7c146246
- 04 R 923000e2957445845089200be27b752c6a6eb3a461659e7bbe7146a97ebb3232
- root 9b71b7e737ed60cee82dce3c659d7121c2fdac7edc3ead8dc80a69fdae98370f