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 - BATAAN 2ND DEO Award a ₱1.3M contract to E.R. VENZON CONSTRUCTIONNational agencies
Transaction hash:
dc06f0d58905eb257b04b4b81484487061f01f74e9187d5315141e44e6a447f5
Status:
Included and unchanged
Block:
#5,260 753 blocks after it
Position in block:
Transaction 275 of 312
Award day:
Aug 31, 2023 (3 yrs 2 mo ago)
Value:
₱1,285,564.22
Project:
23CB0080
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 #5,260 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)The award does not say which budget line pays for it.Not published
- 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 - BATAAN 2ND DEO awarded it to E.R. VENZON CONSTRUCTION on 2023-08-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 dc06f0d589…a447f5now …
- 2. Block Merkle root changedstored f228c37e3f…d6f2d3now …
- 3. Block #5260 hash changedstored a7f007b635…4a8327now …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf dc06f0d58905eb257b04b4b81484487061f01f74e9187d5315141e44e6a447f5
- 01 L db8ec8d4fe663469390bb33a29456351e07a84735cb0898734bcf923976c509a
- 02 L 54f4f7ad229fbb3cb89c76b5226fa39cdcfb3c434a8fa1065a2d3093855c2bb2
- 03 R 3254c20deb13d02a2afc6e4e7b528d591be3de52187a4e80bf74c3226dc4d6e0
- 04 R 95a42e9eb4dd15aa5d56c7eaaa61e593c98ad5b8343830a96c2b91bddfa11dfc
- 05 L 9bd35385987327e613b0bb1d83a5823ba93f78020a58cbce39e76d37d9ec6d48
- 06 R c03ffa4f6c1deed0d5b296b1049c594d887bdedab021623f1e37a58099abdf11
- 07 R 47e6f919d677a0835a61af6c9211c3be5eab6534549b922222ffd914c3db5226
- 08 R 2e2c40602a92211ba4d363d9ba13d3f6ec263ca0ffaa2d57f2b42db08b9835aa
- 09 L c177f2b08f75f27cdc9101cb55926a7eded3185fce71962ba28488c7e6644d24
- root f228c37e3ffe16148cb41a9a947b3bad354e3dd17018f5eb59191a0941d6f2d3