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 - ILOCOS NORTE 1ST D Award a ₱658.8K contract to NORTHLANDER CONSTRUCTIONNational agencies
Transaction hash:
8a67f2cf6be21a6cd47c5a286ed6a54ec691540e009bda25f1e99ffc9e8c97c0
Status:
Included and unchanged
Block:
#4,029 1,984 blocks after it
Position in block:
Transaction 164 of 304
Award day:
Feb 19, 2020 (6 yrs 8 mo ago)
Value:
₱658,753.47
Project:
20AA0237
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 #4,029 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 - ILOCOS NORTE 1ST D awarded it to NORTHLANDER CONSTRUCTION on 2020-02-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20AA0237: 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 2020-08-29). 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 8a67f2cf6b…8c97c0now …
- 2. Block Merkle root changedstored 2d5ae3bd56…ea9556now …
- 3. Block #4029 hash changedstored c78e9f75d3…065beenow …
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 303 records. Each step hashes the current value together with the sibling shown.
- leaf 8a67f2cf6be21a6cd47c5a286ed6a54ec691540e009bda25f1e99ffc9e8c97c0
- 01 R 8ad8c58c6685a58a4beac382e336a910a066f3d9de6058f1c611852605c12a0d
- 02 R 0996b1ed92fd46379b70de6c414376b2b6ab1cd3807c4b12d924924a9c567828
- 03 L 0f7bd03b1c50bcbe27a3d5d72952ac7ca662dc1a555caa59491d4bb1304f784c
- 04 R ff728c2f8856c06304fe67b1030dffd86d74b45548c966359de3c484115192f2
- 05 R 619818e3b6ca64bc3783fa2228fff53b63a78cdca963bc4d64ca02a4135091df
- 06 L c196fa6c4f9bb80f19dab4af6ac0964d32bb298285a6cf7d691fc837413ba66e
- 07 R 0fdaa735195e321ff24e665a7e484d6164d97db1c8baf9e01b4506757722066e
- 08 L 52ca0ea6eb351cf75c6ff08a2672a80278eb4bc7b5933fe533dc674cbe41e98f
- 09 R b2d0eb6a61d25eafe3e10a552f3cf76f4330cc35580aca516c066a6f641062c0
- root 2d5ae3bd566b4dfb97b7b8d3d8b4288c4374599b84ea848bedaf5545b1ea9556