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 & HIGHWAYS -CAMARINES SUR 1ST DEO Award a ₱12.3M contract to HGG BUILDERS AND SUPPLYNational agencies

Transaction hash:

c06b816f927b3f2a90171237a3160bc4d0a99d0e8cb3cda8e80a8ef996f4f5bf

Status:

Included and unchanged

Block:

#1,113 4,900 blocks after it

Position in block:

Transaction 17 of 27

Award day:

Apr 6, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS -CAMARINES SUR 1ST DEO

To:

HGG BUILDERS AND SUPPLY

Value:

₱12,332,320.00

Project:

Cluster II. Conc. of roads in Cam. Sur at 4 sites, Rehab./Improvement of road Brgy. Sta. Rosa del Sur, Conc./Imprvt. of road at 3 sites. Const. of road at 2 sites.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS -CAMARINES SUR 1ST DEO

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 #1,113 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 & HIGHWAYS -CAMARINES SUR 1ST DEO awarded it to HGG BUILDERS AND SUPPLY on 2011-04-06.
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 c06b816f92…f4f5bfnow …
2. Block Merkle root changed
stored c7b30f90f8…24c845now …
3. Block #1113 hash changed
stored db020db037…65a096now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 26 records. Each step hashes the current value together with the sibling shown.

leaf c06b816f927b3f2a90171237a3160bc4d0a99d0e8cb3cda8e80a8ef996f4f5bf
01 L bbcfeacb1380a53f8077acde22e57769351fedb8e3c31a7545b563575757b63e
02 R f4aabb0be775c88f452e588c7ba9f58a246fc6af5a3dae80444e8ba5118ef7b1
03 R b6a3555905ada348b6018d4624182f27cdf33358d67f6fa9b91cb6cfbfa5d5ea
04 R 0cee91ac16bfcae24b9744340b621e85c13413652e0537b03460a5c783b03247
05 L f4674f85bc8628890cce7659bca7a4f5567e1a20ce7af250fa8eaaad1bd9dad3
root c7b30f90f86ed70c89c5a52d9184e847509d6fc5c0f69db8fa577d677424c845