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 - ZAMBALES 2ND DEO Award a ₱2.8M contract to MCB ZAMORA CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
36b37ed2a2ed719cd32fda3b621d6d095a13f9505d41481d6d295f254c5524f1
Status:
Included and unchanged
Block:
#4,016 1,997 blocks after it
Position in block:
Transaction 99 of 468
Award day:
Feb 5, 2020 (6 yrs 9 mo ago)
Value:
₱2,770,694.25
Project:
20CM0052 - Const. of MP Bldg., San Rafael NHS
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 #4,016 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 - ZAMBALES 2ND DEO awarded it to MCB ZAMORA CONSTRUCTION & SUPPLY on 2020-02-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CM0052: 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 2020-07-01). 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 36b37ed2a2…5524f1now …
- 2. Block Merkle root changedstored 747b8a52a5…f02274now …
- 3. Block #4016 hash changedstored cc7658122d…de8f24now …
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 467 records. Each step hashes the current value together with the sibling shown.
- leaf 36b37ed2a2ed719cd32fda3b621d6d095a13f9505d41481d6d295f254c5524f1
- 01 L 3578df5a47734e56f27e1f5e566362ec36b78c3c0e494bcfcf810684d7fd623a
- 02 L 57475918bda3fd4d4a3789c91c7915401fd4c3675c0c511bc09f2aff1196a1b8
- 03 R 04efc53bc208e6decad06b3e7b358f468636683dc143cc2ec6771210753c88b1
- 04 R a830db0aeb241bb2d97bd7d54a7f52069f2f0c932e5eaf7b8c949fea85e8c2f9
- 05 R 71c9e73d286b4f47c05896f00cbc9cc1fc58b0f390d01a56cfeb2eef0d94d317
- 06 L b378836d9b477681c98c6962a145dff2db1a25bdaff1810af94c3c44aadbd1e6
- 07 L 22aeebdae0e003661675670400afd756791fc6e4e0548edc77cfcfbd5b06a98b
- 08 R 90acd0ce2cfa9c94aee4c7a28bc5ca59b6c1388aa2e77e3630d16f1f8235cc97
- 09 R 5a6e9bff77f48be0d0479e3d704f3712d07b3e18eb287dcac25df2ba64dc2c9a
- root 747b8a52a55eeef5b90cbc0ad6e646563614e77aa35713456f17abb978f02274