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 - PAMPANGA 2ND DEO Award a ₱19.0M contract to ARROW CONSTRUCTIONNational agencies
Transaction hash:
8a3cc81f78375e9f3f944f25e9c7a39943d489120436e95ce24fe4f7e04b18d9
Status:
Included and unchanged
Block:
#4,734 1,279 blocks after it
Position in block:
Transaction 258 of 481
Award day:
Mar 2, 2022 (4 yrs 8 mo ago)
Value:
₱19,011,650.06
Project:
22CH0050
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 #4,734 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 - PAMPANGA 2ND DEO awarded it to ARROW CONSTRUCTION on 2022-03-02.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22CH0050: 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 2022-12-30). 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 8a3cc81f78…4b18d9now …
- 2. Block Merkle root changedstored e544206e4b…fc3fd0now …
- 3. Block #4734 hash changedstored 0b0b7ac827…7cb4aenow …
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 480 records. Each step hashes the current value together with the sibling shown.
- leaf 8a3cc81f78375e9f3f944f25e9c7a39943d489120436e95ce24fe4f7e04b18d9
- 01 R 8b5091db422afdae60d8bc0a08d2578decaef6707261801673e9c25bc5d1adde
- 02 L 59f4f77733abce5e09c8fc78a497482c3d16c3154724cd64984e379f4f3be8ea
- 03 R 48ade7b88657abfd813f7a8114f6b04b7aebf5cf0c2490dbe08bb917f4f7d7da
- 04 R cc02a01ce36936a234f6cff03d6c8412eefe19f4c3852e27372715a72848c98e
- 05 R a45cadb0ce4b907d82fdbfa8ca8e3fcae0b265d79607eeb51d92d714976c1940
- 06 R e64705031acb76a026c239ea68deecd057dab42bcf35f58152e5822a9008d7b9
- 07 R 731820c9ba133209269f84b65a4a921e1dfd283b5fc68ba25752948e0cd71776
- 08 R 88adf02bae5a782251e5d1ca5f36ee6c156a43ea95098b4af60490a7d37e4824
- 09 L 41ea9aa7349d8d8f15f0cc8f05db7d572c4d9668a266628ca704f1e21871646e
- root e544206e4bfffbf082d63172168752cdeb7d3b7f5ae9a6064fe8e8c612fc3fd0