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 - REGION I Award a ₱161.8M contract to A. B. TAYLAN CONSTRUCTION & DEVELOPMENTNational agencies

Transaction hash:

9ea23fc3cc43d0ae6c5e277e2c5eee22f6a3555ee2fcb6f02b5e1b195ac08822

Status:

Included and unchanged

Block:

#2,041 3,972 blocks after it

Position in block:

Transaction 53 of 88

Award day:

Apr 2, 2014 (12 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION I

To:

A. B. TAYLAN CONSTRUCTION & DEVELOPMENT

Value:

₱161,845,265.84

Project:

14A00016

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION I

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 #2,041 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 - REGION I awarded it to A. B. TAYLAN CONSTRUCTION & DEVELOPMENT on 2014-04-02.
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 9ea23fc3cc…c08822now …
2. Block Merkle root changed
stored 231bfdb1d1…746b8enow …
3. Block #2041 hash changed
stored d0ae5f85f6…f68367now …

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 9ea23fc3cc43d0ae6c5e277e2c5eee22f6a3555ee2fcb6f02b5e1b195ac08822
01 L 97f52ceab033756224b7d4321c938ed3920ef04c1299670af3af71985acc63f0
02 R 56f2f263dc0eb74cb5b8198ec14d673d91d2aba5acf611d3ae5c79eae790f091
03 L 39250cf970afdefe65df2ac6aea0063c7aca65d2e23324746686f7a908cfed7d
04 R 00dbdd6146831f9fcb7992f6ee95fe07d9bccd593870a5587f590d3c024e51a8
05 L bd8c92897230b940c31876d080b0f314383d56065eff317310fd4cbfb0e16ea2
06 L dbf365ae5d197490b757beca122a408801e40884d1e247da417a53a2cf0cc7c4
07 R ec68d0e5181b190327c7c6c3e03e372f938d9afa0aa8aa677ecbbf4e8e7dab2a
root 231bfdb1d105d5fffc126c5a297725442f8fbe029f3ba95bac8ba12cdc746b8e