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 - QUEZON 3RD ED Award a ₱19.2M contract to TONWAY BUILDERS AND SUPPLYNational agencies
Transaction hash:
a2b100b29a6abef23588d5826c1d909bc254b1c215f653b6f4c81246799df664
Status:
Included and unchanged
Block:
#5,136 877 blocks after it
Position in block:
Transaction 259 of 409
Award day:
Apr 27, 2023 (3 yrs 6 mo ago)
Value:
₱19,246,497.92
Project:
23DM0106 - Construction of Public Water Supply Sys
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 #5,136 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 2023 CSSP", i.e. the FY2023 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 - QUEZON 3RD ED awarded it to TONWAY BUILDERS AND SUPPLY on 2023-04-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23DM0106: 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 2023-12-13). 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 a2b100b29a…9df664now …
- 2. Block Merkle root changedstored bc63e5f68c…32706dnow …
- 3. Block #5136 hash changedstored efd3f8c631…7fc2f4now …
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 408 records. Each step hashes the current value together with the sibling shown.
- leaf a2b100b29a6abef23588d5826c1d909bc254b1c215f653b6f4c81246799df664
- 01 L a210789fcfb48b4c3ccdd0fc4ee7209fdcea11d3edb446ed644024935fd9eeee
- 02 L 229f2957bb25c6362167870512f37db540748b3fbe6035372cc09d5020739e89
- 03 R 59adc88c0c32976187a40f11c6ee44ed0837f68a08b80e60df51e908c469dec4
- 04 R e148dfca5ae5f7cc826a3cbd3623c21b500896ed36ad5fb67f0283c0a4e06412
- 05 R 9c8c8f14db501190254e187baddf2bbfffe65f3df7c48504bfd1a482d1987300
- 06 R b94bd9439b2deafd70975e0c2b627d9519154f346bc8e979796f7cb4e3f4ec14
- 07 R 04be842ab5f20ad04d73405877d3b2c6acb2b6ec1a8945651555053a28a3afe0
- 08 R 72b6c805aa3d0e250d8786a8d2e253436c9b550c0329a566b4ea815cff845a62
- 09 L ca49d2bb802677c7cd96f125f9a0027b675b90433374ca2570dfd45dab8f1837
- root bc63e5f68cae1a1f2fbac9a33ea3a534fce28fad7fdb072d9432d42ad332706d