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 - REGION VII Award a ₱63.6M contract to DOUBLE L CONSTRUCTION & DEVELOPMENT ENTERPRISESNational agencies

Transaction hash:

6bfef0be3c2a0cdc8e81c80b5f448a19a56c2da4f38e7657f343ff25250bdb23

Status:

Included and unchanged

Block:

#559 5,454 blocks after it

Position in block:

Transaction 33 of 82

Award day:

Mar 18, 2009 (17 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

To:

DOUBLE L CONSTRUCTION & DEVELOPMENT ENTERPRISES

Value:

₱63,583,734.20

Project:

09H00021 - IMPROVEMENT OF DUMAGUETE NORTH ROAD (JCT. KABANKALAN, NEG. OCC. BDGY

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VII

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 #559 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 - REGION VII awarded it to DOUBLE L CONSTRUCTION & DEVELOPMENT ENTERPRISES on 2009-03-18.
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 6bfef0be3c…0bdb23now …
2. Block Merkle root changed
stored 20a0ddd562…e262b4now …
3. Block #559 hash changed
stored 9794c4c4af…31ee95now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 81 records. Each step hashes the current value together with the sibling shown.

leaf 6bfef0be3c2a0cdc8e81c80b5f448a19a56c2da4f38e7657f343ff25250bdb23
01 L 6a56c6040769ec260dfa0f88ac92f87d2e5e5d12acebcb9f3124cffddf260407
02 R fc6d49349a80840ff1a5a1fe4f15cf1c2ce90584f2e663ef95a7230237a55121
03 R 2533f503de143eba1664ed266c4da1c097d77c5bdda71f2dc32decc23317a407
04 R 25e7957bbe6d7a9c89e7543be5eb23336e777298933b5900836ea650a9c8e0e0
05 R 50c3d5a08bd52f6880720a6bfa5bafac34adbe8391615bc13726a01bb808ac52
06 L 0c70bca3f4cf412a5ceaf3c7d5118e5a0b53b1884dfad92c811eacad54a682c3
07 R f1ad32e87fac719691ebc3642e7062c6f5718a7c6af006ec887e59e2a5efd4ed
root 20a0ddd5626c3d1dbc513fa9b3e26e10f19790e997ab8e72f219726edfe262b4