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
PROVINCE OF BATAAN Award a ₱71.5K contract to E.R. VENZON CONSTRUCTIONProvinces
Transaction hash:
ca5919074e50608de24ef54364e6c53b9aece9e155b83474273f8875bcaa11b3
Status:
Included and unchanged
Block:
#1,687 4,326 blocks after it
Position in block:
Transaction 147 of 182
Award day:
Feb 22, 2013 (13 yrs 8 mo ago)
From:
Value:
₱71,550.00
Project:
Aggregate Subbase Coarse
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 #1,687 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)PROVINCE OF BATAAN awarded it to E.R. VENZON CONSTRUCTION on 2013-02-22.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)COA's CY2024 audit of Bataan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 ca5919074e…aa11b3now …
- 2. Block Merkle root changedstored 3a08a210a7…155166now …
- 3. Block #1687 hash changedstored e5a77e7b3e…eefb81now …
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 181 records. Each step hashes the current value together with the sibling shown.
- leaf ca5919074e50608de24ef54364e6c53b9aece9e155b83474273f8875bcaa11b3
- 01 L c830551a625606eba278b86f8166760ed3d70f3ce30afc104462f0602b0e987b
- 02 L a20855858b45af1ae354817cb38cb1de7b23098e67384d58e34b1258c52a842c
- 03 R 9bf0516aa3587db6f5c5e7e2ae00075000bfa7934a1324cde7bae1885c471aec
- 04 R 945a0f32be2f4dc45f0794677b76319ea3511fb4afacd090eaf0567ed7b35e5e
- 05 L b97e261f41c8fca53d7b8fcad26832c7c4829f0dd53237196f34ff1f6c821a2d
- 06 R 0c37d21037a2a45d28809631a7f09fd41c18ea31eb18fa0bf197f75b5d918699
- 07 R 13676f04a8017d2e17fac98c183f9e4b46306937bcdcc60a54caf613425372b9
- 08 L 49c8bb3b392290d5724d9ece56970e81f10692ff9e9ac209392be04a38904ca0
- root 3a08a210a7364d2c6cddb7cdbbea46c1d71085fdd4f30258bb42c899b3155166