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 ₱196.1K contract to NORSAM BUILDERS & CONSTRUCTION SUPPLY - CATARMANProvinces

Transaction hash:

ca7f98c834f6addead1bf25cd773632ba6d76d095c61d63eaf143d436115c775

Status:

Included and unchanged

Block:

#1,356 4,657 blocks after it

Position in block:

Transaction 29 of 41

Award day:

Jan 20, 2012 (14 yrs 9 mo ago)

From:

PROVINCE OF NORTHERN SAMAR

To:

NORSAM BUILDERS & CONSTRUCTION SUPPLY - CATARMAN

Value:

₱196,056.46

Project:

Invitation to Bid for the Completion of Brgy. Health Center

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 #1,356 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 NORSAM BUILDERS & CONSTRUCTION SUPPLY - CATARMAN on 2012-01-20.
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 ca7f98c834…15c775now …
2. Block Merkle root changed
stored 189fce5666…f2ff84now …
3. Block #1356 hash changed
stored 7cc75d5ef4…e0e47bnow …

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

leaf ca7f98c834f6addead1bf25cd773632ba6d76d095c61d63eaf143d436115c775
01 L c56e597dbc7c8ecc3da219ac51fab7476b929c36824a45646104160d5c5e19e1
02 R 604612093501dcba9430791a699aef0de2ba914b529f8614d1d1aadb67616d80
03 L 5243cc355f9ee1ea1deefb0fe3fc37ad209f4e7111976d5f55b21279a87b517c
04 L 967ada10a6f7c933754be66b23a83626750bd76950fa329ae3f4a19a8c8cc9b7
05 L 3407d33896cb2a9d4ae573fe51ac76a78980315dcac4fc0f7234173e79f6bf40
06 R 1f28790481ec052b7f1ed4f5ca16e47bbb19deb4edbcc215fe7b6e923e54ba00
root 189fce56662b29048c6cea92f457fb08a27f82c9aa38c1c897d8f99892f2ff84