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 ₱873.8K contract to R.B. BASISTA CONSTRUCTION & SUPPLYProvinces

Transaction hash:

ad4d0a6409252016fbe9508db39b88aafb3cdcbdbee9bb52dce29a8d6d93f0cf

Status:

Included and unchanged

Block:

#1,527 4,486 blocks after it

Position in block:

Transaction 29 of 49

Award day:

Aug 7, 2012 (14 yrs 3 mo ago)

From:

PROVINCE OF NORTHERN SAMAR

To:

R.B. BASISTA CONSTRUCTION & SUPPLY

Value:

₱873,836.59

Project:

INVITATION TO BID FOR THE CONSTRUCTION OF CONCRETE FOOT BRIDGE BRGY. LAWAAN, LAOANG, 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 #1,527 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 R.B. BASISTA CONSTRUCTION & SUPPLY on 2012-08-07.
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 ad4d0a6409…93f0cfnow …
2. Block Merkle root changed
stored 49c361cd6f…0217abnow …
3. Block #1527 hash changed
stored 5b52c25725…4b46a0now …

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

leaf ad4d0a6409252016fbe9508db39b88aafb3cdcbdbee9bb52dce29a8d6d93f0cf
01 L a3e60988455356d89c17cdd2b8378dc175c63afd98fb22f96377bc257f900f50
02 R 2042170b77ed23d9bfa0fe743a9e7062dd1e38f2e72559f65bfc5b182e30a8a4
03 L d4ad6a8d8849ec31be50ea12063fc268c741ca807512a7ad92e013039b1b4488
04 L 22cc2e8e38a7f6d633bca76dae796ce36b4fffc7e9c9009e2d39dc9298ebe43f
05 L 7f0af12c039c9a146b5e1b0228c1f25c3ba69996a7032f3e7781e848374b9cc4
06 R b260fb41ec61476a905710cbbb3439073cba597e72686b618281c3f992a1f76b
root 49c361cd6fcb2fc997b0dad31fff91634f8ff4d41cf13ebee3194cf2bf0217ab