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 - ISABELA 2ND DEO Award a ₱226.2K contract to L.C. TALON CONSTRUCTIONNational agencies

Transaction hash:

be9beb4d62dfb7518ebb6d46b86e5895a31ee99a65766cb9f79378895c18b736

Status:

Included and unchanged

Block:

#1,926 4,087 blocks after it

Position in block:

Transaction 71 of 102

Award day:

Nov 26, 2013 (12 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

L.C. TALON CONSTRUCTION

Value:

₱226,242.39

Project:

13BF0095 Const. of Water & Sanitation Facilities

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

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 #1,926 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 - ISABELA 2ND DEO awarded it to L.C. TALON CONSTRUCTION on 2013-11-26.
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 be9beb4d62…18b736now …
2. Block Merkle root changed
stored a47daa3b8a…026a96now …
3. Block #1926 hash changed
stored b38139dd38…662d0dnow …

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

leaf be9beb4d62dfb7518ebb6d46b86e5895a31ee99a65766cb9f79378895c18b736
01 L be0400d541811e750352ce76510314f77e0f5e941938f5d0c2e180d521fbeac0
02 L 7ff058c27d2700da1a3d246c1d2d3faf8ae55d436032b6d4af048a9aab007298
03 L c230fbd8ff7f25869ad94d6764cdd66aff774bfcea514d357605a7fd6ec07f46
04 R e1a7e5329694cfe5dde2a6ac41037085de09196be28534ba619a66b9d6106565
05 R c36fd56ac7a9f7d7fc3e3de7fe236d200bb137293be7b80829a1efdaa5ff6961
06 R 4ff1c139eb46f01a3b185edad1f9b8adf35c7f74e874a0d74bd85623d7c805b8
07 L d8a2a62882733a8e7fb39c01c3dfa29dc180c0fbef9da1edfa2ce66c4cd8a388
root a47daa3b8a5f3e1e4635019c260bd5920684c76266e7438709a5e19bf4026a96