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 - APAYAO 2ND DEO Award a ₱28.5M contract to ASC CONSTRUCTION & CONCRETE PRODUCTSNational agencies
Transaction hash:
2a6e523ddebdb4e4cb4f6464277100477aa7b0818d81e07d6042616eaeb7ff36
Status:
Included and unchanged
Block:
#4,228 1,785 blocks after it
Position in block:
Transaction 38 of 227
Award day:
Sep 21, 2020 (6 yrs 1 mo ago)
Value:
₱28,497,826.84
Project:
CIVIL WORKS
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 OO-2", 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 - APAYAO 2ND DEO awarded it to ASC CONSTRUCTION & CONCRETE PRODUCTS on 2020-09-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20PC0051: 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 2021-03-02). 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 2a6e523dde…b7ff36now …
- 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 2a6e523ddebdb4e4cb4f6464277100477aa7b0818d81e07d6042616eaeb7ff36
- 01 R 2ac46cac3362a070bb3c559b7d08aa1ca69fc5f358f5f746ea256ba23c559e75
- 02 L 15c811f12840c8428935675c15bd0bb7698c28c6d57d37e13eedc1c35f88a3de
- 03 L 03cade8f2fc414a13d398d41b7be67c299ee359ba6417e1b309be5a9ed10d002
- 04 R 7372f016f4e6916d7a42c0b32f9c8299c37ba0be7f2fa331dd7d3bd75c79166c
- 05 R 16aead3318441790232e91670e2c6c55a98d12984cc33bf8562a60427638b422
- 06 L 8351d51895bc8b6da5c747b220ee8795824e5cf567d173bc663fb20ef7e11c04
- 07 R 56c7375d483278d0c3fa72a002e649f99043533bb2a44a1f61ade837f894f1d0
- 08 R 23b3b3ccdfa0c121ac99d46d3b791840515fa65f1bad9854c838f97bbd1491c3
- root 97a4d360242743311769cd58c946fc112c83b815b61ba4e936d254f1b222aca6