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 ₱3.3M contract to NP PEREZ BUILDERCities

Transaction hash:

6bdbceff7a67e1b0daf024e6dada9fb730a9d928fcbc9cfd51a1e68c8aa4a096

Status:

Included and unchanged

Block:

#3,065 2,948 blocks after it

Position in block:

Transaction 77 of 162

Award day:

May 3, 2017 (9 yrs 6 mo ago)

From:

CITY OF TANAUAN, BATANGAS

To:

NP PEREZ BUILDER

Value:

₱3,290,000.00

Project:

Infra Projects 2017(2nd 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 #3,065 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 2017-05-03.
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 6bdbceff7a…a4a096now …
2. Block Merkle root changed
stored acb1d18304…f5bc72now …
3. Block #3065 hash changed
stored 21c61539f8…35661dnow …

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

leaf 6bdbceff7a67e1b0daf024e6dada9fb730a9d928fcbc9cfd51a1e68c8aa4a096
01 L 6ad40894fc2641ad5e4a22d168a115f469c82469eabf73e5c5cb57d2ccb9ace5
02 R a2a52f2a0818e717243d43472fc8f43c076c3dad25de0ea7936b89510bba7075
03 L 54adf3fff9b231a159bc7c40fceeb5b5abc17c17c08188aba6fa103179b441dc
04 L 06255a48036c00b1c5989223c14aee6a4cde1bc75e30e922c117c048b300c337
05 R 0895bab5e51fe8bf68c2b11882b540baeb3e7f129110c57a159ddfa7ed6ffc81
06 R b40fa7878486dc37e1eae7680e197a6a973d6c950ed9fc8a753a04f6a4eced38
07 L 869354806369082640512c46875fc224fd839f87822d79a6d46838e7653395cf
08 R 3d46f5fbd60870da085e4ca81f75a7ddae1081f2206008acec0a8b3ed19ce7c5
root acb1d1830448b42d9649a6e42d7d3d4dba33972d65b1c45596d0785af2f5bc72