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-BULACAN 1ST DEO Award a ₱962.4K contract to STVINTA CONSTRUCTIONNational agencies

Transaction hash:

a780b780079070bef2b05ebaff0924d67c9c1b83277e23461e9e21e8c5a3f663

Status:

Included and unchanged

Block:

#352 5,661 blocks after it

Position in block:

Transaction 3 of 8

Award day:

Jun 4, 2008 (18 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

STVINTA CONSTRUCTION

Value:

₱962,393.57

Project:

Invitation to Apply for Eligibility and to Bid of various infrastructure projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 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 #352 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-BULACAN 1ST DEO awarded it to STVINTA CONSTRUCTION on 2008-06-04.
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 a780b78007…a3f663now …
2. Block Merkle root changed
stored 9822ba53c3…61c212now …
3. Block #352 hash changed
stored 4b39d63e73…d6b639now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.

leaf a780b780079070bef2b05ebaff0924d67c9c1b83277e23461e9e21e8c5a3f663
01 L 7b964c156ae42294ad45415a1aa032c25b55d6a862522f7aed65351ffb9d1e0a
02 L a8353a28a363c226e981fd8455e20b567581e5ac0643f50b014fc56702f46bf1
03 R baf6e3f7764635e04ac3c1f5f8d33e6aa242fe8f01140f846054f4aca5dfdcfa
root 9822ba53c38ca0f14a700a5618b2aab2b9930921acd4559cc38c97b9cc61c212