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

PROVINCE OF NORTHERN SAMAR Award a ₱267.3K contract to J. CUSTORIO CONSTRUCTIONProvinces

Transaction hash:

438e88aeb9fa710fe95f6d36a10a4e971acc239ed0ded762ebbb79b9db69c461

Status:

Included and unchanged

Block:

#1,506 4,507 blocks after it

Position in block:

Transaction 18 of 58

Award day:

Jul 13, 2012 (14 yrs 4 mo ago)

From:

PROVINCE OF NORTHERN SAMAR

To:

J. CUSTORIO CONSTRUCTION

Value:

₱267,277.08

Project:

Invitation to Bid for the Construction of Concrete Pavement Brgy. Quirino, Poblacion, Las Navas, Northern Samar

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF NORTHERN SAMAR

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 #1,506 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)
PROVINCE OF NORTHERN SAMAR awarded it to J. CUSTORIO CONSTRUCTION on 2012-07-13.
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)
COA's CY2024 audit of Northern Samar gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 438e88aeb9…69c461now …
2. Block Merkle root changed
stored becc430e8e…773e6enow …
3. Block #1506 hash changed
stored ddc252783a…c3c369now …

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

leaf 438e88aeb9fa710fe95f6d36a10a4e971acc239ed0ded762ebbb79b9db69c461
01 R 4d29cd36447d493d72c5fad90246814078ad03f3fac17d8d4808d32ce9fd3de6
02 L f9c8b7e70602d1367f4f62b7d0e47323d9cec7f0e1de7e0984154f1c2cc1b7a2
03 R 9991e271dae13de5a31969017f6fa3b260c18521de1368cb7ea5b4d6e6171595
04 R b8efc8e69c7d8219d39e849c93c014f50790d2d5d488ab614633743f9fe016b5
05 L f88231d689de055892030fdd5e4c037521e629a1f4d9b596580fde3dfd14911c
06 R bbf6a8a61edd3303d60bebf9a623ac54a7e39be152486e2dfea6216f8246a6f1
root becc430e8e0fedd33bc492f6b892d2b71cff0b724e77ab495495315ac7773e6e