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 - CAMARINES NORTE ED Award a ₱4.8M contract to GREAT WALL ENGINEERINGNational agencies
Transaction hash:
2aa057b6d9f124bb8a04a9a874f956ccdf5bcbe1921542ee39316ae74b555cda
Status:
Included and unchanged
Block:
#4,804 1,209 blocks after it
Position in block:
Transaction 15 of 115
Award day:
May 19, 2022 (4 yrs 5 mo ago)
Value:
₱4,799,916.04
Project:
22FC0176
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 #4,804 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 2022 CSSP", i.e. the FY2022 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 - CAMARINES NORTE ED awarded it to GREAT WALL ENGINEERING on 2022-05-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22FC0176: 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 2022-11-28). 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 2aa057b6d9…555cdanow …
- 2. Block Merkle root changedstored 670a73f0ad…eb14cbnow …
- 3. Block #4804 hash changedstored 778d9589cf…439ba9now …
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 114 records. Each step hashes the current value together with the sibling shown.
- leaf 2aa057b6d9f124bb8a04a9a874f956ccdf5bcbe1921542ee39316ae74b555cda
- 01 L 2581f919177342dc6a1f70c30ec7e2bee328b5811ea8c46a64ccfa95575721ec
- 02 L f748b2e42a2456de34b010f7c5fd6c804f1b8eec483505f8cd41e5fc930e4b54
- 03 L 78f0659b23702fb388643b006bfcd2868c8b3a4e0cfc3ae5d35b9b89c0990d32
- 04 L 324b3115fa850e4df4e319a67ba46081c14a603283f6120f7a29dcc4e4bbcaa3
- 05 R 9fdd2e1bd1b23fb0aa708b913261ceedc1580b44b6b23a166b19a99bdd611860
- 06 R 958b0a844c1d9561a370b1899657ed5db10ff91da87f1d25bf9880530014d790
- 07 R 014439d3b444a2593fb93ce283fbfd64806621c8327010edae7c1d1fc924885a
- root 670a73f0ad1340259908df839c5f25665d61145b3c1d7f6193255608bceb14cb