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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 3RD ED Award a ₱2.7M contract to A. SANDOVAL CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

4111cf41daa592daaac46bc77b2b83d988fad03f6a87991c69b7dd0d406c74c4

Status:

Included and unchanged

Block:

#2,127 3,886 blocks after it

Position in block:

Transaction 33 of 128

Award day:

Jul 14, 2014 (12 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 3RD ED

To:

A. SANDOVAL CONSTRUCTION & SUPPLY

Value:

₱2,737,019.06

Project:

14DC0025 (Readv) - Doña Ma. Laurel Platon MS, Tali

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 3RD ED

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 #2,127 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 3RD ED awarded it to A. SANDOVAL CONSTRUCTION & SUPPLY on 2014-07-14.
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 4111cf41da…6c74c4now …
2. Block Merkle root changed
stored 7bcd6c2359…7d286fnow …
3. Block #2127 hash changed
stored 57782d99a8…8a7989now …

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

leaf 4111cf41daa592daaac46bc77b2b83d988fad03f6a87991c69b7dd0d406c74c4
01 L 410f36e8ceba1c9c8b81884d572a680d64781b7c4d419f75bed9c0a7ea9ac3cd
02 R 7ff5fdf028de81d7ffdfb162b4908a0892ef0e155bfb4c197cf4fc6af3f14d1a
03 R db822ae2f3d1cdd7a118b0968bfc4beffb1f5ccd0201bb08e7c97a3eea44c442
04 R 29ad6a8709764c60e2c9849dbcabe2957a1fbe305997b445d6acfd4b2e80b4b0
05 R 59efdd9791cb99f771fb4c95a914dba3d664e447fc23aaef4e74ee5021d16da6
06 L a3fbe282a6431dcfb9e3f28fc687cceb2846d8bfc893987734e7a0ecd3400d3f
07 R 7cf34ebd6dcd93a6b90762184e78ab0b3b68ab81228e1a05b80352d2d1b9a71b
root 7bcd6c235936c058a61afc0fc01fca29fb804f19522fc9e51c5648a03d7d286f