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 PORTS AUTHORITY - PDO VISAYAS Award a ₱10.7M contract to BNR CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

995e5d98fcd75e2e0403cd330ff21863c0645fd9c12df71cd3ccdeefb32ad957

Status:

Included and unchanged

Block:

#1,325 4,688 blocks after it

Position in block:

Transaction 46 of 88

Award day:

Dec 16, 2011 (14 yrs 10 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PDO VISAYAS

To:

BNR CONSTRUCTION AND DEVELOPMENT CORPORATION

Value:

₱10,726,405.31

Project:

INVITATION TO BID FOR PROPOSED DREDGING OF BERTHS AND MANEUVERING AREAS PORT OF SIQUIJOR, SIQUIJOR (LFPDT1103DR)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PDO VISAYAS

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 #1,325 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 PORTS AUTHORITY - PDO VISAYAS awarded it to BNR CONSTRUCTION AND DEVELOPMENT CORPORATION on 2011-12-16.
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 995e5d98fc…2ad957now …
2. Block Merkle root changed
stored 46f769d25e…fe3584now …
3. Block #1325 hash changed
stored f7d1d36167…cee123now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 87 records. Each step hashes the current value together with the sibling shown.

leaf 995e5d98fcd75e2e0403cd330ff21863c0645fd9c12df71cd3ccdeefb32ad957
01 R 9d89a71d51b64e09bd3ddc4317efff8ce8f782e880c6303e86aba17a394e2b8b
02 L ab2a2dc0f408371e13646b10a6c975f279ebe9958921b2976abbaf15484c1f85
03 L cdd7f8be47e594933259a13adb949c5400e92877056315aa21655480d747a37f
04 L 056e19f0a2f0328a07c3701524eca2fd7be85d5aa7a03340e7cca70ab01e3ddd
05 R 0df935209344f5f225b667d95428c5e5dfc1f1b782f90e4e61593cf4c92d7cbe
06 L eafa445cfcf9ebb3f9d0e43df65c759f9bd90aceca2c7e49f64357859e894aac
07 R 0c4b7bc93b552a1988edefc0a74dc9f37137cbdfe94628c3738c864d56d6b930
root 46f769d25e88960131d60aa2ddf419fda604a85e415396f5bf8fbfee39fe3584