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

LAND TRANSPORTATION OFFICE REGION V Award a ₱4.3M contract to BLACKRAM BUILDERS, INC.National agencies

Transaction hash:

c07e439dff4038cbdd6a3ff9bee958952909999e38739a418e632a80f420c7c0

Status:

Included and unchanged

Block:

#3,209 2,804 blocks after it

Position in block:

Transaction 190 of 277

Award day:

Oct 5, 2017 (9 yrs 1 mo ago)

From:

LAND TRANSPORTATION OFFICE REGION V

To:

BLACKRAM BUILDERS, INC.

Value:

₱4,319,472.28

Project:

Invitation to Bid for Two (2) Storey Expansion of LTO Regional Office

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

LAND TRANSPORTATION OFFICE REGION V

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 #3,209 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)
LAND TRANSPORTATION OFFICE REGION V awarded it to BLACKRAM BUILDERS, INC. on 2017-10-05.
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 c07e439dff…20c7c0now …
2. Block Merkle root changed
stored 563ee89eec…c201b2now …
3. Block #3209 hash changed
stored 35a8833e6d…764da1now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 276 records. Each step hashes the current value together with the sibling shown.

leaf c07e439dff4038cbdd6a3ff9bee958952909999e38739a418e632a80f420c7c0
01 R c14eea5cb120a15c8c765a11e3ae1bf92b90516d63b64b017c96b98fd579ad0a
02 L 202a17cdcc5504ebe45ceda29949977eeb629eb0c277186bdd458508024f8033
03 L dd59036f347b2ef4dcfe96d38231aa40cb0ac7dbe824518f19d9e45d6d789e76
04 L 158c2cb040d22c4ba6d494867b3fea9dfcc3eb395ccb1898eb25b9453ce5faaa
05 L fb175d0f78318d5636aa25e042e7891cd5db4b0b969adf2829c584a9a7f3e33c
06 L a877296b068022bb9cb088e0a38201bdc2c0de20f67e81254d352d7f48e6c4b2
07 R 65c6e7dff2ee087d6b44cdaaa8f6eea043e5b4a7572ec0bb15574257083c1c66
08 L 857b16803612d1b63a8f2d82e0079b5bd8152d0af1fe48ec5e33bc8915aa7c8f
09 R c6f3d4e04a6c82433690387cdbd619058f5efc7a37317138bbe0b1913e987632
root 563ee89eec3c09f3591b1e843d23cad62b7187f1c3f94d9f7d8a32fe65c201b2