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 - REGION I Award a ₱48.7M contract to BERSON'S CONSTRUCTION & TRADINGNational agencies
Transaction hash:
b81ceeadda81d495c73199d73cba1ba100d17b7552e1f31e002eaf6a14a9f52d
Status:
Included and unchanged
Block:
#5,053 960 blocks after it
Position in block:
Transaction 958 of 1,313
Award day:
Jan 31, 2023 (3 yrs 9 mo ago)
Value:
₱48,650,159.35
Project:
23A00043
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 #5,053 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 2023 OO-1", i.e. the FY2023 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 - REGION I awarded it to BERSON'S CONSTRUCTION & TRADING on 2023-01-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23A00043: 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 2025-03-20). 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 b81ceeadda…a9f52dnow …
- 2. Block Merkle root changedstored 8435eba98d…5a872anow …
- 3. Block #5053 hash changedstored 779443c890…445701now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,312 records. Each step hashes the current value together with the sibling shown.
- leaf b81ceeadda81d495c73199d73cba1ba100d17b7552e1f31e002eaf6a14a9f52d
- 01 R b83579d8b812fa9b365533f4d1a749d14a365ffecf86514f2bfb9a88ebe5bb91
- 02 L 6f0ce75b39dd5a192e79c2a7434baacaa4db874b9ba321d48d9c328a70e1bdd1
- 03 L ff58b6f486c028e087436b5d54388350ad48e26ebf82dd5029df55c517b59c32
- 04 L 097fcc9046da3dde514fb53c8b7fa35427915ff0e0ba57960475a22214cb8343
- 05 L 5e77714938b286e1dd723a120b5ef22f1144c3bd0ea5ad64ba2694be1eb91e34
- 06 L 22fb3a4a43ac883b8aca6d3b1a3ca43f3176c4b9daa65c96357497a03fd4268c
- 07 R c8804a28cdf6c8636c112adfbc6ab081fbf0385fa763936829cb4e1ce8ac6d8d
- 08 L 88952adfb0fc47986081bebeb57b4c51f50283e2a434df81d31279e02d58457c
- 09 L b062f93e11d317f274161b27112db535af2e528781327f805cd7291adb9a62d4
- 10 L 3249ebe24b17d3ff1612989a49d43d8cdd337bdd505177cab13d9ea288d0e95b
- 11 R 2d31a7bfcdd9ad0c89c29ac5da5ec0c9ba40890755b555325781174915379276
- root 8435eba98de38efdc742109fda7dc3e092d005ac102dd582ea746311dd5a872a