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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED Award a ₱14.9M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

e4f95f3e27dd4dfcb5dcaf6a2eef271646d5dd213a19dc2037748f1b31de5f02

Status:

Included and unchanged

Block:

#1,441 4,572 blocks after it

Position in block:

Transaction 60 of 71

Award day:

Apr 30, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

AYLAN CONSTRUCTION AND TRADING

Value:

₱14,895,901.80

Project:

Repair/Renovation and Expansion of the Emergency Room (E.R.) Complex of Phil. Orthopedic Center, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

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 #1,441 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)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2012-04-30.
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 e4f95f3e27…de5f02now …
2. Block Merkle root changed
stored 933b3600d7…7b6c3anow …
3. Block #1441 hash changed
stored 4b3c92abf9…77e83bnow …

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

leaf e4f95f3e27dd4dfcb5dcaf6a2eef271646d5dd213a19dc2037748f1b31de5f02
01 R e4fcbe04ad704e0d1e560277776f1cb065f24f3d2079ac0c0241f562483f85e7
02 R c2dcaae25962828649afdb0ccc53d0558a78d806d3e1b5c2cd04dd527a61f5ff
03 L 2c3ab51fa0ef68d621fe1c86fae35da802a512b6fcfabbca2f98d49702fbede9
04 L 01aa4b50089d9e0a34f23c0b889947f7a4d5405c6392220693577dc76d3ade95
05 L 413ef707bca6757cec0914eff96ed6112bee1d4a7a41bb0ac2059d7f5bb71ff9
06 L 70c7073483fb5b5aa4d11baa71a8af6b4d6908a1b1fbf98d214de60eba852e90
07 R ea05b1f33bd2a25678b2bb17818b65957804ffe4aea52eaf2ca85458d26c4449
root 933b3600d79481b7ba7dde631162cded111792d2d2dc79955b50548b807b6c3a