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 - DAVAO CITY SUB-DEO Award a ₱12.2M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies
Transaction hash:
7ecbd0ccdbd3862bb6bfd52750e7236fd77a0c6ee58c1034508e99f8a0d9189b
Status:
Included and unchanged
Block:
#3,145 2,868 blocks after it
Position in block:
Transaction 55 of 114
Award day:
Jul 27, 2017 (9 yrs 3 mo ago)
Value:
₱12,208,053.21
Project:
NOA, CONTRACT AGREEMENT, NTP
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 #3,145 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 - DAVAO CITY SUB-DEO awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2017-07-27.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 7ecbd0ccdb…d9189bnow …
- 2. Block Merkle root changedstored 2a35afbbb7…24a4b7now …
- 3. Block #3145 hash changedstored e5aa83eee2…ec7709now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 113 records. Each step hashes the current value together with the sibling shown.
- leaf 7ecbd0ccdbd3862bb6bfd52750e7236fd77a0c6ee58c1034508e99f8a0d9189b
- 01 L 7dc62f52c6b5de1d6894ad051bc0b4737b77cbf37e2ffd0574effe7fda632518
- 02 L da61cec3664d4d1026206d1c0a08c50681b015ecf8c6738cc74320c49d32ed18
- 03 L 650fb76825d7ffdeb7d6e984f42ea9a3fd03d6ed6f2ba61160cc3e5ae958d566
- 04 R c7397fee5536654782de10f180b9675dcd58564a2620017417230a40001479c1
- 05 L 6eb7eabea6bf8eb64b4f1f73a59b6e34b09075a37bf2e6131a99c395876ac144
- 06 L 7c73b066071a50b95ccfb91f64495836fecfdfc13ed8ee2e31b05b7dcd59129a
- 07 R 2fd4a501158208721eb3a9f539b2285c9ebdd08188d45bb051dc910be5fc0b97
- root 2a35afbbb76581c9bde1ac6d4e0012769d7ed4785c6d3511ca0316f97b24a4b7