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

API

Transaction action

CITY OF TANAUAN, BATANGAS Award a ₱12.4M contract to NP PEREZ BUILDERCities

Transaction hash:

c64f5ee74927d76dcf90f9fa88f2f7fdfed4baa5c5776b8881a195b4666d5efa

Status:

Included and unchanged

Block:

#2,399 3,614 blocks after it

Position in block:

Transaction 93 of 117

Award day:

May 6, 2015 (11 yrs 6 mo ago)

From:

CITY OF TANAUAN, BATANGAS

To:

NP PEREZ BUILDER

Value:

₱12,354,147.49

Project:

Infra Projects 2015(1st qtr

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF TANAUAN, BATANGAS

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 #2,399 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
CITY OF TANAUAN, BATANGAS awarded it to NP PEREZ BUILDER on 2015-05-06.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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
Open

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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored c64f5ee749…6d5efanow …
2. Block Merkle root changed
stored 97b700b440…9ce3fdnow …
3. Block #2399 hash changed
stored c766b76e72…3a4c3anow …

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 116 records. Each step hashes the current value together with the sibling shown.

leaf c64f5ee74927d76dcf90f9fa88f2f7fdfed4baa5c5776b8881a195b4666d5efa
01 L c63ef3b9927261d122a4d72c84b2171cbe148e2df44ab52fe387029fb67e1460
02 R 5e54cb5bcb5ce941d0ecaf549a6db787c7ad9b10f549eed27ecd63a6ab6f67f2
03 L 926408a1db2866033f57669487d94c42db6aebd0b31ccb1e7951d7ee921417bc
04 L db0ee4541a62ed63451d8063999c600cdfb3e7aaf256990dcbdf63c732f9981c
05 L f03b61138b3a76b8a991123628a87dd7a36573274072629e24a989f175fabcc4
06 R 16ff3c16ef8837a7f6934496466a1068d1588bb07e0f1803f6df44023b0ee003
07 L 50adddc6c5b36c9babe514e9be9dde4b472844fa8682123b976251f3ab94f559
root 97b700b4403711bbf0f431007c3eac46412bbab0f50935018588c0ffc19ce3fd