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 - PMO LEGAZPI Award a ₱11.5M contract to NY CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

3e0b3e70fa2d93d4df55aa56ce7c3ec7120c08401c9ee5a5b638ac8e3a8f5600

Status:

Included and unchanged

Block:

#1,583 4,430 blocks after it

Position in block:

Transaction 18 of 70

Award day:

Oct 11, 2012 (14 yrs 1 mo ago)

From:

PHILIPPINE PORTS AUTHORITY - PMO LEGAZPI

To:

NY CONSTRUCTION & SUPPLY

Value:

₱11,518,375.79

Project:

UNDERDECK AND UNDERWATER INVESTIGATION OF R.C. PILES PORTS OF VIRAC, CATANDUANES; SAN ANDRES, CATANDUANES; TABACO CITY, AND LEGAZPI CITY (LG 1206)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHILIPPINE PORTS AUTHORITY - PMO LEGAZPI

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 #1,583 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 - PMO LEGAZPI awarded it to NY CONSTRUCTION & SUPPLY on 2012-10-11.
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 3e0b3e70fa…8f5600now …
2. Block Merkle root changed
stored 6f3d9783a5…ae968anow …
3. Block #1583 hash changed
stored ccdd79ded6…b2d7d0now …

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

leaf 3e0b3e70fa2d93d4df55aa56ce7c3ec7120c08401c9ee5a5b638ac8e3a8f5600
01 R 3fe8c996dd8d2d76170ae9d9ddf71305050d1d51eb1f4eabbc59bba166cfc1be
02 L 0ee1cca3c3f60074646e471413b2857b020ceb6359a169d8981ef745900e13e3
03 R cedcf8c1fd90afd322840b94e8d24e50bdc117c8afcd60e1143e7eab9f6f48e5
04 R 26564fe2234f7c963e564d44f6edf6ded94beb528d999d02bab13a893c6fad1f
05 L d51d15216e7dca91e6a309207d8f2512a5349f15edf1061fcecbc41c451e85d1
06 R ff7a313d75690ad62a93cdd44617c7fcda8ba9dcb6a6795e0394f1e379f23e91
07 R c67a1646a9c8c4c01448baa85f407390c47a741423b861f34edfa9cae7955c69
root 6f3d9783a5a71ef13b12aeea92d42bebe54ec037e553d22e0240e1bd5aae968a