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 1ST DISTR Award a ₱12.1M contract to TOPTECH TRADING AND CONSTRUCTION CO., INC.National agencies
Transaction hash:
545ade2ccf5dc07af3e4cacfbc97c96b9a629131f039c3cb395cb3ce6ca6c7f3
Status:
Included and unchanged
Block:
#4,561 1,452 blocks after it
Position in block:
Transaction 72 of 221
Award day:
Sep 7, 2021 (5 yrs 2 mo ago)
Value:
₱12,059,889.70
Project:
CONCRETING OF FMR
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 #4,561 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 "Outside Infra - GAA 2021 DA FMR", i.e. the FY2021 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 - BATANGAS 1ST DISTR awarded it to TOPTECH TRADING AND CONSTRUCTION CO., INC. on 2021-09-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21DB0163: 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 2022-02-19). 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 545ade2ccf…a6c7f3now …
- 2. Block Merkle root changedstored 299f45c4dc…8c5b0bnow …
- 3. Block #4561 hash changedstored e7f6400715…e998a4now …
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 220 records. Each step hashes the current value together with the sibling shown.
- leaf 545ade2ccf5dc07af3e4cacfbc97c96b9a629131f039c3cb395cb3ce6ca6c7f3
- 01 R 547a654a1eec6b864b3c68548d2d1acff2043a2649a9509375c8ec37f1cb8a12
- 02 R ecc9995333e2461dcfe34292b37aa563c36b3d376bcf3506c41e4732f630f79c
- 03 R 564a23351a7957ee998025355ff6e732f139ad1f915b5f748352de372327c99d
- 04 L cb917c52d6a22d3e568180e181427b480155eb6c8a6111de2cff7d6d117a9914
- 05 R 62f64ca82581f468f4114ca340def2c3f6bd9a3a04d70b8dce25756353a1d551
- 06 R 5b40ff02983064bf833d5d8fe108651aec4d247ef7b7801b0d0910f817133a65
- 07 L b2ce86804a6e2d618aca09e89e4e4d7953dee41d986094c5a0976162bbd57850
- 08 R 0490905573b381ac2478eac7d360e6539b3d11d4655ba792ccf2677589f01f9d
- root 299f45c4dcbc16357f20cf0c72b36beec320c94a35c1a291e03f8bd9cd8c5b0b