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 ₱16.2M contract to E.R. VENZON CONSTRUCTIONNational agencies
Transaction hash:
d0b90ff7e8dba52e2ff284ec85f2834d1d27567704a341d2a8ce0c45faa81cf6
Status:
Included and unchanged
Block:
#3,208 2,805 blocks after it
Position in block:
Transaction 131 of 153
Award day:
Oct 4, 2017 (9 yrs 1 mo ago)
Value:
₱16,245,796.51
Project:
16CB0115
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 #3,208 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 2016 DepED BEFF, Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2016 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 2017-10-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16CB0115: 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 2018-06-11). 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 d0b90ff7e8…a81cf6now …
- 2. Block Merkle root changedstored b116050aa1…3b3c76now …
- 3. Block #3208 hash changedstored 8a8b273f8c…f48502now …
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 152 records. Each step hashes the current value together with the sibling shown.
- leaf d0b90ff7e8dba52e2ff284ec85f2834d1d27567704a341d2a8ce0c45faa81cf6
- 01 L cfaf0f8e260eedc026830b1b2a9120ce9a5c3b119013bb54ffe8ea3baf7a5d6c
- 02 L ad09ae65df20aa57deebb955f79dbaf833250ea20845be1c1e03284215933083
- 03 R ae875bcb2c4b2123c7b64bb1d9781d8b4efdadadbd6d279fa0c83b4ca808a5d2
- 04 R 2333a4959bd9126d5dab46ab8d1bad3d172f78f55ff78c4fd9a832e3bb58d3b6
- 05 R 65173cd46b1bd0bb9fc1c1e83e4676312d51286149cab91a31f09ff7e55bf85a
- 06 R cce58454ff400624f4fe7517ee393a909ec251bc111cb6f9f583da19d205d247
- 07 R ecefb17a99c53c4b7b0d36b11496ee04af160df6a7e75ce0979b5eade974ac2e
- 08 L 73c0193994dc3f63accb998acb60fe159c248e4af74760208f954575c93e0d58
- root b116050aa14ecdd91f91dfe9d4f68916b960035d4830c8983728b4c2b13b3c76