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 1ST ED Award a ₱1.9M contract to SANDSTORM CONSTRUCTIONNational agencies

Transaction hash:

ed2efbe3c58005c2b467e4e42e1c157d53582fec962214f52c225d2f2180efc8

Status:

Included and unchanged

Block:

#3,051 2,962 blocks after it

Position in block:

Transaction 211 of 230

Award day:

Apr 18, 2017 (9 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 1ST ED

To:

SANDSTORM CONSTRUCTION

Value:

₱1,919,641.00

Project:

Construction of Covered Court

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATANGAS 1ST 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 #3,051 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)
DPWH lists the funding source as "Regular Infra - GAA 2017 LFP", i.e. the FY2017 GAA. The exact UACS line is not given.
Partly
Open
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 1ST ED awarded it to SANDSTORM CONSTRUCTION on 2017-04-18.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17DB0083: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2017-07-02). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 ed2efbe3c5…80efc8now …
2. Block Merkle root changed
stored 0ad9d9acab…8bca0cnow …
3. Block #3051 hash changed
stored c4c50a2714…534eafnow …

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

leaf ed2efbe3c58005c2b467e4e42e1c157d53582fec962214f52c225d2f2180efc8
01 L ec841241f706f883ed7b6da65dab50bb023a15262600aff79f68d2916ec503a0
02 L fa59703469d6c8239ae36492dde49e5699369e3656a0d13932ec02bfc7b8e4f3
03 R 9d2e2ec3e38bf422dc2dd661b23fa3548a81fc2d1ceaf731960ebe04e43ea9b7
04 R a1e66ba8f3c5b35dcf2f57ea9cba2c679d0f6d9788dd7b0d3b010b37d8fae44f
05 L d4c7b3ffc42114746918fd2af1badc05fe3d8ea964e62358738ca7f9c0a1d55f
06 R 48dfd68d78fbd745310997cf5b321140d93b86829f646a5a8b613a232ef596d8
07 L 91c57f36362ca1e9de518df684e0ab5fdd15e0b72daa499786e13f4915ad613e
08 L 9d3599355f39d60194c38ee9b95acbd071d5b5e273b3ab51c6159434c776f343
root 0ad9d9acabc69042df9063ca38d8ea8b84ad7eb04b00d5958913b994d98bca0c