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 ₱4.9M contract to RDG CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
b83fd838bbe1eaa416606c8bd1a36a30a3359aedc50504a8463eb19bae22aa68
Status:
Included and unchanged
Block:
#2,670 3,343 blocks after it
Position in block:
Transaction 307 of 422
Award day:
Feb 22, 2016 (10 yrs 8 mo ago)
Value:
₱4,873,676.58
Project:
NOA
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 #2,670 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 - GAA 2016 Locally Funded Projects", i.e. the FY2016 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 - DAVAO CITY SUB-DEO awarded it to RDG CONSTRUCTION AND SUPPLY on 2016-02-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16LH0018: 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 2016-07-02). 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 b83fd838bb…22aa68now …
- 2. Block Merkle root changedstored 718db950a9…1f22f5now …
- 3. Block #2670 hash changedstored 254a39ce25…487e88now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 421 records. Each step hashes the current value together with the sibling shown.
- leaf b83fd838bbe1eaa416606c8bd1a36a30a3359aedc50504a8463eb19bae22aa68
- 01 L b80abacd37fc972f889e5e5f0495606e7b7ce42f0854eba688c4a9e9756e2481
- 02 L 7b5b144c320951eca80038b4ac58c6ed4de02ac9ac5a0d417db9cbcd97cf433e
- 03 R a8d55af04cc9b9ab45d9b09c57ade4dd0f66896c86fd8c22a6f4a3b8b93394ab
- 04 R e71406e9e1e435d051edc82f3e5fc5180e4ff60b35deddd2d9a4e7e846d1d4bc
- 05 L 7a147f3c27fc7ce58240e5fb17b5b6ea26f344ce82ee809b264d08a179992e51
- 06 L 1c14722c224a5f88014645a0f4848e3e5befb74b0d9b3fae7da2417c6a9618e8
- 07 R c57b815a67ca7200a198e3452a5a56b790d2dc5035eced709ac43461984f1de7
- 08 R 6a8452502fbf4b0e9229b5ef5ae766d18aa6c94e720f0d325a25bacc466b4b1b
- 09 L 894f35d32238066e4820a6cccf56e53681412daf6f46484ca8757a2336e9e28f
- root 718db950a96431403ead80d6a8b0d23f93bebeaff35126d5c72361eae91f22f5