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

TARLAC COLLEGE OF AGRICULTURE Award a ₱391.1K contract to DELOS REYES CONSTRUCTIONNational agencies

Transaction hash:

ba1864bd2b9154bf647f707ab49570966a465abecfe883cf8ed363697083ec40

Status:

Included and unchanged

Block:

#1,453 4,560 blocks after it

Position in block:

Transaction 25 of 43

Award day:

May 15, 2012 (14 yrs 5 mo ago)

From:

TARLAC COLLEGE OF AGRICULTURE

To:

DELOS REYES CONSTRUCTION

Value:

₱391,109.24

Project:

012-004 Concreting of Road Shoulder

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

TARLAC COLLEGE OF AGRICULTURE

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 #1,453 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)
TARLAC COLLEGE OF AGRICULTURE awarded it to DELOS REYES CONSTRUCTION on 2012-05-15.
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)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 ba1864bd2b…83ec40now …
2. Block Merkle root changed
stored 790d60a48a…d2b9b0now …
3. Block #1453 hash changed
stored 3ccb1fdd09…6c1aeanow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 42 records. Each step hashes the current value together with the sibling shown.

leaf ba1864bd2b9154bf647f707ab49570966a465abecfe883cf8ed363697083ec40
01 L b4843fd6c1cfbdef5249a7e28b169d332ebd68c71d5e0e1d3eba6c57e30ad00a
02 R 2158f73ef0d87df8ed49e269024a6cec2db0d1840d7c7546a1998ed306908103
03 R 04736e122ec481a02f6180210e91dea828be4f91350fd48312b37ebb1e18ab1f
04 L f812db08022822e4f0fdeeb430d1ffb342f1bbd0b99df6fe27aa1552da4be0e1
05 L 16b3167685d459339c2b408c61734549c89bf1ea66de8de2fe8bf27d76dd00c7
06 R f7192d9488bf3a5f83899304808e0d0264c7a5335f9dcaaac73e83d601c219a6
root 790d60a48afa1f33f4c540a97792112e29b64f5ba5c5aca8791db6315cd2b9b0