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 ₱5.6M contract to E.R. VENZON CONSTRUCTIONProvinces
Transaction hash:
d7ea06adce8530f97df78633882055fd1a10e58d409f4853711c9b4f8d8d5f68
Status:
Included and unchanged
Block:
#1,294 4,719 blocks after it
Position in block:
Transaction 60 of 73
Award day:
Nov 14, 2011 (14 yrs 11 mo ago)
From:
Value:
₱5,635,149.12
Project:
Construction of Two (2) Storey Four (4) Classroom School Building A.G. Llamas H/S Mariveles, Bataan
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 #1,294 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 2011-11-14.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 d7ea06adce…8d5f68now …
- 2. Block Merkle root changedstored 51c74dfca9…5cfbf2now …
- 3. Block #1294 hash changedstored 56308475d5…e46d81now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 72 records. Each step hashes the current value together with the sibling shown.
- leaf d7ea06adce8530f97df78633882055fd1a10e58d409f4853711c9b4f8d8d5f68
- 01 R d8921797b38548b1999fa68145010abab0ba228aec3bc015d43b4d073d26570b
- 02 R a6ac0cc83a0b4e96b79ad483cf37c62286e13d48e31d7d3f58dd8cdee3be121f
- 03 L 4fc334ca8b127c70e76ff451ff037e48122350b6bfff7b756de7ebc670251ebf
- 04 L 08ae8c1997247ffd82799f15a398419ab8a752cadafae79e546d27e4e5c5e3f8
- 05 L 043659c98d6465e0bfbd2d9190eb251fc69db288922b14d688f83eec80239c49
- 06 L 211c0183420df56c4c375d41bcd5050649919b986711666c2ccf23225173ace7
- 07 R 2efed1ae9d1d5dc8fd9db6dd70677089fa30e2bd62d131fa761c3cc6d1cfac9d
- root 51c74dfca97cfe2b25e68e702492f9eb652ae50935a7e21700cd5eff2f5cfbf2