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 PAMPANGA Award a ₱2.7M contract to MAM CONSTRUCTION AND TRADINGProvinces

Transaction hash:

9d6c9434412d3dc89fa4abc5098d82f0ee1f7e17e22aa790a0a09ecd11fb40da

Status:

Included and unchanged

Block:

#1,496 4,517 blocks after it

Position in block:

Transaction 28 of 43

Award day:

Jul 2, 2012 (14 yrs 4 mo ago)

From:

PROVINCE OF PAMPANGA

To:

MAM CONSTRUCTION AND TRADING

Value:

₱2,695,474.30

Project:

PR 12-1810 - To supply labor, materials and necessary equipment for the construction of elevated three (3) classroom school building with comfort room at San Jose, Panlumacan, Elementary School, San

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF PAMPANGA

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 #1,496 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 PAMPANGA awarded it to MAM CONSTRUCTION AND TRADING on 2012-07-02.
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 Pampanga 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 9d6c943441…fb40danow …
2. Block Merkle root changed
stored cefbbdc547…f657d4now …
3. Block #1496 hash changed
stored 4c6daf6574…7932bfnow …

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

leaf 9d6c9434412d3dc89fa4abc5098d82f0ee1f7e17e22aa790a0a09ecd11fb40da
01 R 9eaf00e631fd0cd6c19d902cad5142b40a4574b0cd24f92d4a94c5f0a878c674
02 R 4076e825001e9b490ffe73900cbfdeda3146a1613dfe265be5bd649d55a3ad20
03 L 5533dc1052ede0a8068e49d7b36e5b0b5cbfdb9744d144d8e17e28265975e605
04 L c3edc830fd4e2c25f03d3ef3176f5c144ed2cdbf5600c7c216ee9b913594998b
05 L 27c0f55fefa9e02362e232d7b8cb5cc6f16502608961c6ed5119294e81993e12
06 R 9e97127f5d59cc73e24d31c4e823bdd01e172728a421acb443222d4cdeadd40a
root cefbbdc54779b677c6a500e042446af597ffa5d2ec2f7e2957bdc86be8f657d4