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 - ZAMBOANGA CITY DEO Award a ₱2.0M contract to ZAMBO J.A. BUILDERSNational agencies
Transaction hash:
929263eeb49c4f2b80ec642c241b4d4026f4a6241572bdd88a638a744ec35b61
Status:
Included and unchanged
Block:
#4,056 1,957 blocks after it
Position in block:
Transaction 111 of 197
Award day:
Mar 18, 2020 (6 yrs 7 mo ago)
Value:
₱1,952,936.79
Project:
CONSTRUCTION PROJECTS
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 #4,056 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 - ZAMBOANGA CITY DEO awarded it to ZAMBO J.A. BUILDERS on 2020-03-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20JA0052: 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 2020-08-05). 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 929263eeb4…c35b61now …
- 2. Block Merkle root changedstored 4f39985970…3f4c06now …
- 3. Block #4056 hash changedstored 470e7da356…7a36d2now …
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 196 records. Each step hashes the current value together with the sibling shown.
- leaf 929263eeb49c4f2b80ec642c241b4d4026f4a6241572bdd88a638a744ec35b61
- 01 L 8f748e5e25738b62968d629b84d8a04e766d3266d588548d4080dc5486237e9c
- 02 L 145ba0337646d629a1222f56664bcce28f20e236665239901e6c190dda0b7cfa
- 03 L b1ede434f2ba16ae4a391320727d6c31abb3481f1073f909926d840292727090
- 04 L 9384e4ffc76221c2198411faca10a28db3384568766e7ff31e9058b556b6a96b
- 05 R 59235b1b74cd66346d943f693e6f28f23745a9a078b929d00556a908a61d5349
- 06 L 6d7d2e7e1d8c205dc8b091cb00fc8c0d960e33a23e3671fef09512f0d2981dc3
- 07 L 87ec8e9414f3a49e3f76de234b52a090a4b0dd8e36759b793b800415adb0faf6
- 08 R aba480b3a9831b83dca95c53de0ba17e348ab905aca6adb6c275d3d3b68ba7f0
- root 4f39985970d92e0e5dd33f3a650fa0b1d83e7d016129a889372db44f5c3f4c06