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 ₱9.5M contract to 722 CONSTRUCTION INC.National agencies

Transaction hash:

dd057f7404d3dabd1a2f19bc973304cf1ba2520abdddfd93603215c51e9cba3f

Status:

Included and unchanged

Block:

#758 5,255 blocks after it

Position in block:

Transaction 46 of 54

Award day:

Dec 16, 2009 (16 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

722 CONSTRUCTION INC.

Value:

₱9,547,363.00

Project:

Rehab./Reconstruction/Upgrading of damaged paved national roads at Old Cagayan Valley Road (Baliuag Section) Baliuag, Bulacan

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 #758 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 722 CONSTRUCTION INC. on 2009-12-16.
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 dd057f7404…9cba3fnow …
2. Block Merkle root changed
stored a206a62f1a…a8cd1fnow …
3. Block #758 hash changed
stored b6db3cc1fb…c800cfnow …

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 dd057f7404d3dabd1a2f19bc973304cf1ba2520abdddfd93603215c51e9cba3f
01 R e29c3e1c5983bc5679551ae515ae521f215776092f79281b805be65e429109f0
02 L 064d3f567590a8093f86232b35f80423deacc433137518873b7f0975482c9941
03 L 8aee164539472cc4f16b8fa57c4ef413ddd17d7d0e2e35dac4b30d3ecf1ec5d4
04 L 7f549f3222a55b62e35ca686493861847fcdd1affa7f63fbdb6ded001f7a365f
05 R 76ba491d4f2f935dfc3a041c2d42eb88b43f0ad6b0217902dd6e91cff42ad516
06 L 218053f18a4ee870e89c85b25cd3bbbcda22c370ac9f3f4a4810660bf838ef89
root a206a62f1a5f0558d8c8e1eac9ee4878768eb783d3cd400fcbc0aeda24a8cd1f