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 - BATANGAS IV DEO Award a ₱9.4M contract to MEL JEAN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
2dd94609d5360c048a01f41be5c903cc96d8a6921c32789d7a15aa21d19d83a9
Status:
Included and unchanged
Block:
#2,690 3,323 blocks after it
Position in block:
Transaction 116 of 734
Award day:
Mar 15, 2016 (10 yrs 7 mo ago)
Value:
₱9,403,994.50
Project:
16DD0008 - Road
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 #2,690 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 "Regular Infra - Flood Control/Hydraulics/Drainage, Roads: Rehabilitation - PCCP". 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 - BATANGAS IV DEO awarded it to MEL JEAN CONSTRUCTION CORPORATION on 2016-03-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16DD0008: 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 2016-09-01). 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 2dd94609d5…9d83a9now …
- 2. Block Merkle root changedstored e425bfbafc…b49d56now …
- 3. Block #2690 hash changedstored cba50df1fd…8ba287now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 733 records. Each step hashes the current value together with the sibling shown.
- leaf 2dd94609d5360c048a01f41be5c903cc96d8a6921c32789d7a15aa21d19d83a9
- 01 R 2e12ef6339f60157a6c62ecf77456fbaa27516bbca77a6caa263b4575efc005b
- 02 R c63d70d374d2211d5a826b73c811306d2c2d54eb22d0c119bce66726050cf369
- 03 L 427468fea929268568088181a07d66c09b9a5a948c1fb70e1e0da36a03fb6450
- 04 R 1d6050f4b996127fc6a135312b0bd374b9b755889028131f3665936e2e70b15b
- 05 L 0ad011759b2b61dddb30ffeed172d81213eeec8c509d522ea6dead2413c4daa5
- 06 L e161c31a46ea98c8a75d6d729299731e718ae735d9a22dcd0e6ccfcd1464f4d5
- 07 L 0337b0742bf9aa603abb179b35ac3d895e00cca26765391e57176ec6a92e6fc1
- 08 R c67cc383b23a90b4e44e9a189de1a3f3679e5c6debcc168027a4d39a24c0158b
- 09 R e92756b2c86789b5c9d689f222e0e572e14f97a6722236a982f19daeba145631
- 10 R b234f9acca688eb68b3d930d5d15c3020f861b7d8c85b80550ceee8dd2fef4b7
- root e425bfbafcdac65758a1a2df311f6fa8cd7fa6a38d2b270ea60c03cb45b49d56