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 ₱544.9K contract to E.R. VENZON CONSTRUCTIONProvinces
Transaction hash:
cfe77780e86ef99effebc270b561c913d8fb825b778834cc8e2f8d6f93f000d3
Status:
Included and unchanged
Block:
#2,453 3,560 blocks after it
Position in block:
Transaction 117 of 142
Award day:
Jul 6, 2015 (11 yrs 4 mo ago)
From:
Value:
₱544,883.21
Project:
Concreting of Road
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 #2,453 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 2015-07-06.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 cfe77780e8…f000d3now …
- 2. Block Merkle root changedstored 66a6fe00a7…6f491fnow …
- 3. Block #2453 hash changedstored 921181fe1a…03fa01now …
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 141 records. Each step hashes the current value together with the sibling shown.
- leaf cfe77780e86ef99effebc270b561c913d8fb825b778834cc8e2f8d6f93f000d3
- 01 L c9a110c0ef64c2c574fdc54e0c0da27fbdafe3690f9470aeffdfecf20fedc8cb
- 02 R 313997fe88b748bde29c45ebef207ca1a354a97b1cc014eb6e62183d5326ee45
- 03 L 976af42ff8fba3a91bf5c8cd075d7ad893d86a9172a44275dd308822001984ae
- 04 R 2eb6aedba8accc6e122af9bd952dddd67fe8fa67f945fa836135c29ff9fb639a
- 05 L bb86bc7965b759caf9b66fbdb87d9ce0076b0e60fe100a7e85dd0a100458d6d6
- 06 L dea78242cfdacb249437387cb165ad60dc10ab4072911fc7d01e47df778564e9
- 07 L cd966a2e14d33c8c918aab693ec75efab1c53dde2347a68f6cd1295b6a303c1c
- 08 R 0de80c703e516b0f191def3e1f2303a78e84278dcff5514065cbcfc365449a05
- root 66a6fe00a7e0bdccabf605aeec0df65e6b4f9b5b0297549b9b1da017f26f491f