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
CITY OF TANAUAN, BATANGAS Award a ₱6.0M contract to BAP CONSTRUCTIONCities
Transaction hash:
e2df944d3f0b3447fb2b245096cff8efdc5da2dcade34ffcf857631a13fa9926
Status:
Included and unchanged
Block:
#1,748 4,265 blocks after it
Position in block:
Transaction 15 of 17
Award day:
May 8, 2013 (13 yrs 6 mo ago)
Value:
₱5,982,323.00
Project:
Pob. 7 drainage
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 #1,748 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)CITY OF TANAUAN, BATANGAS awarded it to BAP CONSTRUCTION on 2013-05-08.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 City of Tanauan 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 e2df944d3f…fa9926now …
- 2. Block Merkle root changedstored b9e7a72a51…691347now …
- 3. Block #1748 hash changedstored 85a3c2d644…8da98dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 16 records. Each step hashes the current value together with the sibling shown.
- leaf e2df944d3f0b3447fb2b245096cff8efdc5da2dcade34ffcf857631a13fa9926
- 01 L dfc45f287d75e85fb8e8461007aef2b7d67e50693651374d237e83c037445328
- 02 L 2a44b52fe55f3ed267002fd10abb8fc549fe0d5e552b571e21e865b158fbe26b
- 03 L eb24a34d1004cdf04aba1197e3707ca242d06fcb7754cfbd4b3e77b34b500e75
- 04 L 0995515a9fb68f9919ea856453bfb6e4cc5fde9a43726fa366cc88a87c1e5a16
- 05 R 797b89ea422da202b47743d5345f1e3b3508a8cf13113b8b4dca76d42bf60bb0
- root b9e7a72a510f011c82161e5648d0e2fd3f0254789056957e39311d540c691347