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 - SAMAR 2ND DEO Award a ₱4.8M contract to NV & C CONSTRUCTION AND GENERAL SUPPLYNational agencies
Transaction hash:
fd2cf8b19321e80d6ca3bb8ea4cd536cd0ce9f34cd8b93c279f9175c04dc9f2d
Status:
Included and unchanged
Block:
#4,228 1,785 blocks after it
Position in block:
Transaction 223 of 227
Award day:
Sep 21, 2020 (6 yrs 1 mo ago)
Value:
₱4,802,000.00
Project:
20IK0087
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 #4,228 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 2020 LP", i.e. the FY2020 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 - SAMAR 2ND DEO awarded it to NV & C CONSTRUCTION AND GENERAL SUPPLY on 2020-09-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20IK0087: 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 2020-12-28). 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 fd2cf8b193…dc9f2dnow …
- 2. Block Merkle root changedstored 97a4d36024…22aca6now …
- 3. Block #4228 hash changedstored bc8f933f8e…7aeda7now …
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 226 records. Each step hashes the current value together with the sibling shown.
- leaf fd2cf8b19321e80d6ca3bb8ea4cd536cd0ce9f34cd8b93c279f9175c04dc9f2d
- 01 L f9bbd9ea54b08cfa9b07a62d31fd868b8432c9cfb74bc85dec69d1c0eb026fd5
- 02 L 5066f12d4c176ad769c523da531c28a83eab7815c48c9fa73c4c3c26fc7b65e8
- 03 L d636434c83a51d728d4f7c8b534045bface63ccea9aa8245ec91b6f3038dce18
- 04 L b90b1164340a34aa02780d171f1fa54215c6db469008da7105310b2e3baeef4f
- 05 L 683ea5e8c5f7df7c04e3ef9259924bdc8eeb3c6b1525f65c5dde44cba1e78bd6
- 06 R ce2b163b402bd43e8754e88a6f1e899548b83fd4776c7e0f66feea2774191567
- 07 L dc8d2ac3bc285c7b82bfb71eaf1dde079cf70d96ad13651bbac93d4ee19cd5d9
- 08 L c86bd14450628361af5eecc68cecbeb56157e5c3d05ac567327ba93360a44ca2
- root 97a4d360242743311769cd58c946fc112c83b815b61ba4e936d254f1b222aca6