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 - SOUTH METRO MANILA Award a ₱1.3M contract to NUKAZA TRADING & CONSTRUCTION SERVICESNational agencies
Transaction hash:
4e414326979bdc98e75d8a88ac4a3f52d7e655ced49a1b1a8b163820b945d7a0
Status:
Included and unchanged
Block:
#1,656 4,357 blocks after it
Position in block:
Transaction 9 of 23
Award day:
Jan 15, 2013 (13 yrs 9 mo ago)
Value:
₱1,298,939.33
Project:
12OH0222-FCSGamban Extension, Brgy. 117,PASAY CITY
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 #1,656 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 - SOUTH METRO MANILA awarded it to NUKAZA TRADING & CONSTRUCTION SERVICES on 2013-01-15.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 4e41432697…45d7a0now …
- 2. Block Merkle root changedstored fc69720201…6c1c33now …
- 3. Block #1656 hash changedstored 08c7e6fe76…aa8cfbnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 22 records. Each step hashes the current value together with the sibling shown.
- leaf 4e414326979bdc98e75d8a88ac4a3f52d7e655ced49a1b1a8b163820b945d7a0
- 01 L 48a636c724f90169494dae8bff1f7dd875b2d647f4709eab813c95b4b70fd1bd
- 02 R 5260aef498a1c0d5ef8b6c52d044be9e966fbafbc02c9aed0bc2803978c59da2
- 03 R ed2a3a0a8fd1ab3a3e5f3f595bdf8508d12cad7980af0163854d9d4a852453f2
- 04 L 3399523720a66369b582c09eb51429c35386d9f6be5eb64ddedb9b579f5c3721
- 05 R b61299b9a13841f4eab9a679ad6730017f1d363582d650006c57a209067893e6
- root fc697202013b2a2292b1de74d185e2612618a09ade164c0d9cdfbb93bf6c1c33