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 - CEBU 1ST DEO Award a ₱635.2K contract to ROVILLA CONSTRUCTIONNational agencies

Transaction hash:

2513935db1312ce1bc9fdbfcec22d4330804c798398e68e346bcdf0b9c5a1513

Status:

Included and unchanged

Block:

#1,590 4,423 blocks after it

Position in block:

Transaction 7 of 54

Award day:

Oct 19, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST DEO

To:

ROVILLA CONSTRUCTION

Value:

₱635,218.38

Project:

12HD0016 - Construction of 1-cl school building at Don Potenciano Catarata MNHS, Barangay Guadalupe, Bogo City, Cebu

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 1ST 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 #1,590 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 - CEBU 1ST DEO awarded it to ROVILLA CONSTRUCTION on 2012-10-19.
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 2513935db1…5a1513now …
2. Block Merkle root changed
stored 8862f0ff0a…3885efnow …
3. Block #1590 hash changed
stored 0ef25669ac…3a0b7bnow …

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

leaf 2513935db1312ce1bc9fdbfcec22d4330804c798398e68e346bcdf0b9c5a1513
01 L 20cbb30c8b3d3131499856be9ec1a9471b0f02aaa71ec140f20650ea296a87b0
02 L 35db204c7285822fa68113c586d928ff8ef3cc3e20611f9128254ce4c719aa92
03 L 7358c60752e5eff6190c379283e6a0aa9976ad9199548d6cda2a367288e2721c
04 R 607094149c8e6ad56032e33e45b30afcb2a1273b68c0701a41aedf9bbaa5d6d3
05 R 1c88cb12e86337c37eff0a8a5a8421d391b193e89eeff1be146f7de69fd9ee9b
06 R dfe0471aa80b1bc0203e9a3bdcba72662b4af863a0d936fd53fb3ae4c7cf779d
root 8862f0ff0ac32ecc7eac8bc4ab53f9e0311dfb9c973e26b8766dbf8e393885ef