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 - TARLAC SUB-DEO Award a ₱966.6K contract to R.L. LUNDANG CONSTRUCTIONNational agencies

Transaction hash:

3674a7ff8cdf54fddacdf52964f19145eee28a9c4d64cd5ca433f3ecfdb18621

Status:

Included and unchanged

Block:

#1,805 4,208 blocks after it

Position in block:

Transaction 11 of 71

Award day:

Jul 17, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC SUB-DEO

To:

R.L. LUNDANG CONSTRUCTION

Value:

₱966,595.56

Project:

13CK0054

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC SUB-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 #1,805 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 - TARLAC SUB-DEO awarded it to R.L. LUNDANG CONSTRUCTION on 2013-07-17.
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 3674a7ff8c…b18621now …
2. Block Merkle root changed
stored 44618e78e9…e8dda5now …
3. Block #1805 hash changed
stored 6b6d8567bb…bccef3now …

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 3674a7ff8cdf54fddacdf52964f19145eee28a9c4d64cd5ca433f3ecfdb18621
01 L 3564c44f8c394d3d93808eea735ed71e1c2e10d9b5360726bd164a30cd592eea
02 L 73143e25003e55214f91781cc4cd9031b36d50a6429c2761787174463e491d2d
03 R 60fc19026864296e9fe6c9a99543d4f59c91b3660b15754158f4b91a7ac44176
04 L 136542ebfd14508c88e856cd9117b95a555aac139fea9dea2612522f014df602
05 R 86a5fb8aa9c47b47e6a54d74b8c467faa034b42aa61653bcf46a2bb028993708
06 R ff2e7173ffa2f04d206cbcccf819078b55ca13435d28a41554dcb0f69844a688
07 R 82711b45dd5928ebc4c4b946f60545db9b86ac39fb01fb025726fbfcd53d4790
root 44618e78e9cddee92a3b6a2e10528f5f054b6fc0463a6ee53943e9e43be8dda5