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 - DAVAO CITY DEO Award a ₱1.6M contract to JAVCON BUILDERS, INC.National agencies
Transaction hash:
1606a3ac71309d4e9aa48d8e362a84af84022b82c206de748f656e02c006caf5
Status:
Included and unchanged
Block:
#4,073 1,940 blocks after it
Position in block:
Transaction 8 of 87
Award day:
Apr 6, 2020 (6 yrs 7 mo ago)
Value:
₱1,570,459.69
Project:
20LB0134
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 #4,073 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 - DAVAO CITY DEO awarded it to JAVCON BUILDERS, INC. on 2020-04-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LB0134: 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 2021-02-20). 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 1606a3ac71…06caf5now …
- 2. Block Merkle root changedstored 37e21794da…7e95a5now …
- 3. Block #4073 hash changedstored a0c3774cd1…9cd2b6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 86 records. Each step hashes the current value together with the sibling shown.
- leaf 1606a3ac71309d4e9aa48d8e362a84af84022b82c206de748f656e02c006caf5
- 01 R 182a4efa1e486ac22792bcb3a7e1bfd74e04fc42f5a474b16d181c84f6e2da91
- 02 R 6af3f69df642d800c5e35b312e0292425dd3d156fc2066b49af85026edef87f8
- 03 R 84569630481a7c92b074ffa38a880c357337bdf9fe86633948cbd810b56caf1a
- 04 L 1e0c22e3bc51c880dec23122d3ac1f4cc7f7f707f8e5480e0d47eb510b7a5728
- 05 R 3e3d866ed1490212fc129733f39342a08489bcf5b35ea571300176d95e591fc8
- 06 R ae204dba25d35efd3844ff4fc3d13c46c1ff6339dd3682de1aa2aafd319b3122
- 07 R 6f2720713247fde6775283c38cbba18d501c5c9c558d65d41e6ecbd668a5bc77
- root 37e21794dafe4afc039668ba6f9fc9c98d6a90b3e28e86287a364e4ca57e95a5