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 - CAGAYAN 2ND DEO Award a ₱9.6M contract to V.S. LAUNGAYAN HARDWARE & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
1041b910a1f52f8a486ad0512e6ee9cc65653c938669b8f8744c6f21811cb8a8
Status:
Included and unchanged
Block:
#4,432 1,581 blocks after it
Position in block:
Transaction 15 of 259
Award day:
Apr 26, 2021 (5 yrs 6 mo ago)
Value:
₱9,601,742.30
Project:
21BC0118 - Convergence and Special Support Program
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 #4,432 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 2021 CSSP", 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 - CAGAYAN 2ND DEO awarded it to V.S. LAUNGAYAN HARDWARE & CONSTRUCTION SUPPLY on 2021-04-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21BC0118: 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 2022-12-12). 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 1041b910a1…1cb8a8now …
- 2. Block Merkle root changedstored 8b3710f463…b35d13now …
- 3. Block #4432 hash changedstored 65f9a05088…ee4b7cnow …
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 258 records. Each step hashes the current value together with the sibling shown.
- leaf 1041b910a1f52f8a486ad0512e6ee9cc65653c938669b8f8744c6f21811cb8a8
- 01 L 0ef4cf274190206418ba7bc327e10355ba765ada0ca3379542e093934c4e1393
- 02 L 06c1d19c81223e9286394188f8ff20244c19b3275ebf95b3690f9fdd089970c4
- 03 L 07855227cc2af97a6080c4052b75baf930b3e40cc04b08a5f98ecf7c7b6b3419
- 04 L b11fd52655bb702c1d132142ed75b2a6af4a2dd7f5788d4512ea1ba7a9fed81a
- 05 R bf6a69a906e0a850b12ce3f6bcf42628d2a01db169812580d3cd18d3265c0b20
- 06 R 61584a4b2559f96c6382ae20596a1dd5eac3e44c269eaad078c22e121f887621
- 07 R 2a3a8563e9711c22871639e63a18a68ffcd34b89c04f03fd44fe9667c34d1f54
- 08 R 0295678e1bead864741d3d54aa5340180627a1232edf997dfb1dca6060a2b32f
- 09 R 4e6b2603b07e38088a5cad9c3f8232e71d04fda222b2176a46e1e70eb48a0db5
- root 8b3710f463aa64105127beb5a09236d1960ffa5213c447f53493219697b35d13