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 - BOHOL 3RD DEO Award a ₱1.9M contract to DT&C CONSTRUCTIONNational agencies
Transaction hash:
a4aa2c0a5392dff3b3ef05ce5ebf97d17c0a3f9c4c7e516c7f6f052e8a4eb5d4
Status:
Included and unchanged
Block:
#3,135 2,878 blocks after it
Position in block:
Transaction 150 of 236
Award day:
Jul 17, 2017 (9 yrs 3 mo ago)
Value:
₱1,888,118.21
Project:
17HB0115
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 #3,135 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 "Outside Infra - GAA 2017 DA FMR", 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 - BOHOL 3RD DEO awarded it to DT&C CONSTRUCTION on 2017-07-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17HB0115: 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 2017-10-03). 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 a4aa2c0a53…4eb5d4now …
- 2. Block Merkle root changedstored 577b5cdd61…e57cd2now …
- 3. Block #3135 hash changedstored 15e541a1f4…8dada2now …
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 235 records. Each step hashes the current value together with the sibling shown.
- leaf a4aa2c0a5392dff3b3ef05ce5ebf97d17c0a3f9c4c7e516c7f6f052e8a4eb5d4
- 01 R a5f45a1ac41ce31b7669e16ae48bcf9eb9abe92ac1e9a7506075ad1e63571fa7
- 02 L 414405407a79fde470b2405b5be9df79d12f8b50bf5f448784d5980ca390d01e
- 03 L be94980fdc5c9fc752538406c530c43375b424b46f30e964fe992c16437925e9
- 04 R 1e80ded565515fdb19d1bbde2504ef55d8ce03e346cbe49b2f5ac475b900c9d9
- 05 L 2b44f3149829150495421a2b21f69d9cbdcda28ef963fc7cdf91a9f21e369ce3
- 06 R e1d555425017aa10ccb07fe96266a4d5a05178af1fb5c75be9bc818cac00dc81
- 07 R 1b486b217a6904978c3375fec0037823601075956db5f55efb3da4d14328a069
- 08 L 33f1e7c5469fbdc34b678a32c8a7045fd6c4e50254468a3f2f4991ffdf30495a
- root 577b5cdd6105e3507ff7f6a8c78be6adcc1490677efba424c4fe241ea9e57cd2