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 ₱596.0K contract to C. CASTILLO CONSTRUCTIONCities

Transaction hash:

4e20872899e2d70df69df369365104cc9c6b7eab8a5789e805111c7025078b05

Status:

Included and unchanged

Block:

#2,607 3,406 blocks after it

Position in block:

Transaction 33 of 157

Award day:

Dec 16, 2015 (10 yrs 10 mo ago)

From:

CITY OF TANAUAN, BATANGAS

To:

C. CASTILLO CONSTRUCTION

Value:

₱595,992.66

Project:

Infra Projects 2015(4th Qtr.-2nd Batch)

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 #2,607 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 C. CASTILLO CONSTRUCTION on 2015-12-16.
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 4e20872899…078b05now …
2. Block Merkle root changed
stored 2719657265…a84da0now …
3. Block #2607 hash changed
stored caeaa7483a…2ccf45now …

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

leaf 4e20872899e2d70df69df369365104cc9c6b7eab8a5789e805111c7025078b05
01 L 4dc080eea351da49c3d01a8ff0f9b90a43ef9f5af8090e5b090b240024afad27
02 R cf8412c019ec043599a339cf6e64af54974457fe9eb353220945afe6158aefcc
03 R 77db3bf687fa1d3c890a83e56cd9e766d527de6bf1d79e2b86e3cbc1292d4c83
04 R 3e6ebfd8bb1f886020af0921b404264e1f5cd08db32b4fd3f6f61e4f35cb6c18
05 R 5d3e0b4bd59501dfc7bec7c54c28ac56ca8c6555d817db62503be34d50cc907d
06 L b05269628a7c73a6b47bd8e200ef6cb101b61004cc6151c912aabdc3e570ea58
07 R 6762f3817bd0ec9cff388ebbeaa72600c69883a4d9baf0001486a0d65b78da14
08 R c4bf9bfac91215117cbe51d5c174c6241472581efc1def9ec109c9bac36d0337
root 2719657265729aa42aa14fbf8023d6a6eb6abec1c30edab63342eb865ba84da0