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 ₱993.9K contract to E.R. VENZON CONSTRUCTIONProvinces
Transaction hash:
7bbda987dfeb890682bd0ad05991c1c210142697351b2fa64f0d3390bef6f8e1
Status:
Included and unchanged
Block:
#2,471 3,542 blocks after it
Position in block:
Transaction 136 of 274
Award day:
Jul 24, 2015 (11 yrs 3 mo ago)
From:
Value:
₱993,893.35
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 #2,471 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 2015-07-24.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 7bbda987df…f6f8e1now …
- 2. Block Merkle root changedstored f7b55ae96b…1b7635now …
- 3. Block #2471 hash changedstored 3c0ec21c09…8ba3f7now …
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 273 records. Each step hashes the current value together with the sibling shown.
- leaf 7bbda987dfeb890682bd0ad05991c1c210142697351b2fa64f0d3390bef6f8e1
- 01 R 8449ccaa2b144a65a92acf83e2cd71d6b63e85af03a6d90d9b1a47a243639ced
- 02 R ea46463c7905efbf026c81b695201f046261a78286ed03cceeb998b98f24185f
- 03 R c9b4b02aadff65a286f866fd17d3d65111d94c98fe2ae62fe8709d263e184855
- 04 L aa29076960f369bbfdf12bb750378f551a480269d3a526f2c790acb38565d18e
- 05 R 37feb215f01f4c75642e162c24171b3ac9c3b8c68a5f053cb5cd876fefa86a3f
- 06 R 2347966657ce31bafeeae819acde7568b16b05abb0c5d46daed85fb65d5fd3cb
- 07 R 465f2d5964f1dfc1c06b93eab98763b9f722b7718f92173beff875119811cc83
- 08 L 2602bb8c0d47ade047dd9b9ced69017822263d9c0d01f767d907ad89f6a6202c
- 09 R a5688b9f928931d74c960b60c9f91ec0b60f9b83f3c73088bddf808083ecd01e
- root f7b55ae96bf9bec06884096dfc556e17b340c7046129b067a2051e0b731b7635