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 - MIS. OR. FIRST DEO Award a ₱340.5K contract to L&L CONSTRUCTIONNational agencies

Transaction hash:

6bb9554b95bf45ff146cb58bf59d14f1cf4c0cb3d4092e09c41e8682dc03b14f

Status:

Included and unchanged

Block:

#1,546 4,467 blocks after it

Position in block:

Transaction 29 of 59

Award day:

Aug 31, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST DEO

To:

L&L CONSTRUCTION

Value:

₱340,499.67

Project:

Invitation to Bid for PID12KKK0054-Cluster JE-Repair/Rehab of Multi-Purpose Building 1) Tambagan, Medina and 2) Artadi, Magsaysay, Mis. Or.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MIS. OR. FIRST 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 #1,546 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 - MIS. OR. FIRST DEO awarded it to L&L CONSTRUCTION on 2012-08-31.
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 6bb9554b95…03b14fnow …
2. Block Merkle root changed
stored d9035567cc…235301now …
3. Block #1546 hash changed
stored ce2341f78e…63a901now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 58 records. Each step hashes the current value together with the sibling shown.

leaf 6bb9554b95bf45ff146cb58bf59d14f1cf4c0cb3d4092e09c41e8682dc03b14f
01 L 69bda876ba9fd0545d92180f2be9573db06197e1d551b744578ed45b3b560c2a
02 R 646188520c1eb73786e286ed1e6e7a537f54a5fc9f64a456e13120fcd31cf7e7
03 L 5488b5c606699bd8d8088a28fcc22016d49a905b5318e4c9c6e3d038e8bfa40e
04 L 37cbc974d6021e55043027c982dee6ab88e2929ad03cbd77841b79efbef12078
05 L 60a42fcf934ece1141e1cd4ff77d9ddacafe86296786fad4f56e6323626f0f5f
06 R 0af83ab387dd6edab4350ffdef3ff158024e57edbb3819dfb8f98c6a3a00b3de
root d9035567cc0fb2a1e9e3a029132b2164eea44dd28d37a4831788d5e45b235301