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 ₱61.5M contract to E.R. VENZON CONSTRUCTIONNational agencies
Transaction hash:
9b4ce2c2df2ac0aef56a66dafa7b460f8d8fd491526fe0bae40e843ca72124df
Status:
Included and unchanged
Block:
#4,514 1,499 blocks after it
Position in block:
Transaction 194 of 315
Award day:
Jul 21, 2021 (5 yrs 3 mo ago)
Value:
₱61,477,489.65
Project:
21CH0088
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 #4,514 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 2021 OO-1", 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 - PAMPANGA 2ND DEO awarded it to E.R. VENZON CONSTRUCTION on 2021-07-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21CH0088: 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 2022-05-22). 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 9b4ce2c2df…2124dfnow …
- 2. Block Merkle root changedstored e20263e9c4…677708now …
- 3. Block #4514 hash changedstored b971c7bf85…0bc90bnow …
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 314 records. Each step hashes the current value together with the sibling shown.
- leaf 9b4ce2c2df2ac0aef56a66dafa7b460f8d8fd491526fe0bae40e843ca72124df
- 01 R 9b57f2cf54db4416baa2d26a0909c9df6ff97133e1213229f34948b962eacc7c
- 02 L 7f56d0452c1caa6b371808e28087b10e99ce888dad78b2384bc50186cdde60da
- 03 R 7f767a5ea8dd4961ba84b6d18e7e7099112123d1147336d2aab851080afb4801
- 04 R 22d4a7bb1e7d3537280f8018bc73c781172bc429ba17c6263b7a46638d77af35
- 05 R 11a4027d7b61789579525774e22aff2aa577c30fda1a94dd7115de07bc49e3f2
- 06 R 75130f6f5cc61d9a4ab88826c962f41bf17032b65247b60b9613496b734ae648
- 07 L 8c81d1e71a89747fbdce883ba09d40dd530d4c8329e20d5377940ccfea0838d3
- 08 L ce7cbd9548c07ff800d6c736377e804f7c4b678dad6a69a70979b8c04295c0b7
- 09 R 28dbf0e70ea2e5e042cbf6b70211f1c9ead32006b2774eae6349491e6c660b30
- root e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708