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

PHILIPPINE NATIONAL POLICE - REGION I Award a ₱2.2M contract to WELMARY CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

779d6fdaaca0e9724bc2838dc7cb4cdf749ac766791d451562ccad9bc22e0a7f

Status:

Included and unchanged

Block:

#1,251 4,762 blocks after it

Position in block:

Transaction 29 of 61

Award day:

Sep 23, 2011 (15 yrs 1 mo ago)

From:

PHILIPPINE NATIONAL POLICE - REGION I

To:

WELMARY CONSTRUCTION & SUPPLY

Value:

₱2,230,810.29

Project:

Construction of Male PNCO Barracks

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE NATIONAL POLICE - REGION I

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 #1,251 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)
PHILIPPINE NATIONAL POLICE - REGION I awarded it to WELMARY CONSTRUCTION & SUPPLY on 2011-09-23.
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 779d6fdaac…2e0a7fnow …
2. Block Merkle root changed
stored a25cb9b69b…0df6benow …
3. Block #1251 hash changed
stored 91cb23e7a0…94bfc0now …

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

leaf 779d6fdaaca0e9724bc2838dc7cb4cdf749ac766791d451562ccad9bc22e0a7f
01 L 70e00db2ebac2c421b5ff7ef80b076ea9bd2253e71ba6c13e35128344c2e4625
02 R 045c6bd32b05ad446b6b36f386b06a4e8ead3cfe026bf8b5f0ea35eac5023a10
03 L 6bccd9950693e97064ffa6231ff089c1dd6806b985ef724e7d3fce982d82d2c8
04 L 8f640e7a457fd01fcf80e18b0949b624311df1c358c47fbf24bc65ffb30aa8ad
05 L 316285903ad14bf9f934e7ec1dcff16c5a01814120250c81689d389d8f7df25b
06 R 99436d0f5e8e2f6363c8211f4098981766042c29b697c86da27fa6827ffbcdea
root a25cb9b69b59fb88b76ecc7ed6891d4fcdfb3e333ce3ebc520e4fa81670df6be