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 - CAR Award a ₱477.4K contract to JL CONSTRUCTIONNational agencies

Transaction hash:

d367c3369cd4803e2f22ff7c560100eeb5fa4e4bdc7b28a5a824458663a32512

Status:

Included and unchanged

Block:

#893 5,120 blocks after it

Position in block:

Transaction 7 of 9

Award day:

Jun 25, 2010 (16 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

JL CONSTRUCTION

Value:

₱477,438.20

Project:

Construction of Multi-Purpose Building DENR Compound, Diego Silang St.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #893 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 - CAR awarded it to JL CONSTRUCTION on 2010-06-25.
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 d367c3369c…a32512now …
2. Block Merkle root changed
stored a226f53230…23d69fnow …
3. Block #893 hash changed
stored 81a34f35fd…4bf560now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.

leaf d367c3369cd4803e2f22ff7c560100eeb5fa4e4bdc7b28a5a824458663a32512
01 L cb8a204f705800b35b3bf056a70b4d98621de5e9d2e07cfaeac4dac62d5e59bc
02 L 3ba92909248193530d439109ccc00a86c069120bf68a638d3efe3f8710cc913b
03 L 309f1ff342239cdea38e7ea699d0ad61d24fddc8919b088cc877eef3440ea645
04 R 6f583fc2429a70abfd562760c77389f5aa84d7ac8758bd0feea18210e363bd0f
root a226f5323006241b46007147c6ab763f9442ecf4d71d2354cc4c889bca23d69f