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 ₱12.1M contract to E.R. VENZON CONSTRUCTIONNational agencies
Transaction hash:
727f205a0f01eef75fac3be5b68dfc1d6ee2ef6fc48ae432275b0d4972b3cd78
Status:
Included and unchanged
Block:
#4,502 1,511 blocks after it
Position in block:
Transaction 108 of 224
Award day:
Jul 8, 2021 (5 yrs 4 mo ago)
Value:
₱12,063,108.32
Project:
21CB0069
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 #4,502 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 "Outside Infra - GAA 2021 DA FMR", i.e. the FY2021 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 - BATAAN 2ND DEO awarded it to E.R. VENZON CONSTRUCTION on 2021-07-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21CB0069: 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 2022-01-14). 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 727f205a0f…b3cd78now …
- 2. Block Merkle root changedstored f082954a6e…6b1d72now …
- 3. Block #4502 hash changedstored 287d43bc18…d5db9fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 223 records. Each step hashes the current value together with the sibling shown.
- leaf 727f205a0f01eef75fac3be5b68dfc1d6ee2ef6fc48ae432275b0d4972b3cd78
- 01 R 758de14c7b860ddf0779fae05e40323d26d6b997abbb9d259f911c974e85b371
- 02 R 1f77d0db63821e2061791d547e04f432547f24a101e979f76ddc882a22c1cd37
- 03 L 5f42258893b14ca61fd7ea4b8fe3ce6131d69fc697bc740cfb1e5f3f68aaf1df
- 04 L 8020db11a4f7b9a9c161456cd934f966c77a1924dadcd176734eef9f902344b0
- 05 R c088cf348d37eb5c57908675871aebc4445b9ab63aaa5dbfbf6a61e6659dde4c
- 06 L d6b16ff37125f1dfa99736c106352eeb718595f769aed82e958a1a02682c1dc4
- 07 L 0113eba6fb80e8c564798942d443ecab4bee3ce5af1e9914821fb126ce22276c
- 08 R d4a4d146089fbc3b69cb270483a754225ec9d03b55c5d0ce1258e2dce3ac6c37
- root f082954a6e2103384b6ed22878a983f99543d0a8d67d8bef71253e37096b1d72