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 ₱1.9M contract to L.C. TALON CONSTRUCTIONNational agencies

Transaction hash:

d2f2ee899fa3eaac06528797bddf95c9eb8c9d309c1c32a70719294427c84615

Status:

Included and unchanged

Block:

#2,380 3,633 blocks after it

Position in block:

Transaction 109 of 127

Award day:

Apr 16, 2015 (11 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

L.C. TALON CONSTRUCTION

Value:

₱1,917,967.34

Project:

15BF0037

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 #2,380 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 2015-04-16.
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 d2f2ee899f…c84615now …
2. Block Merkle root changed
stored 73636be06e…d40ae0now …
3. Block #2380 hash changed
stored 9ba351e354…d768b7now …

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

leaf d2f2ee899fa3eaac06528797bddf95c9eb8c9d309c1c32a70719294427c84615
01 L d2bc434f0f1ff7a9904a63efc809beddd83f124430e9cf4f9d9980b85bde4cde
02 R d88441c1cc3340d186fd808e1f4f9b9c22de059b51f7a2056ac0bb99e4d8685f
03 L ed9ac9be4dfa8cd6aeb18aad6941612b90926f24315d78d3b5361f265e67d7f3
04 L 65fd576ec2dad6a6962b4ff6932a9744805679f9cb2862472375f10e8bc7fde6
05 R 200c57dc27ce63b85b373193522d0dfecfe400d21ef69f707b96588bd5272775
06 L 5bea2e54f955410d910d0355af75dfdcc0cf3da10c5f6058504b68b77c147a1c
07 L d284d291f2af222c383cfff1ff314e199235c591ea72fa66bd75432cffeabcbd
root 73636be06e8eeefa3510c1343ccbc6717b0678e6eae32d476201739c4ad40ae0