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 - QUEZON 2ND ED Award a ₱9.6M contract to FREPA BUILDER & CONSTRUCTION SUPPLYNational agencies

Transaction hash:

d60e1787f26f2ef738bfd4d10b7aba2dedf66e39e5e4596f04bee08e5ad2af50

Status:

Included and unchanged

Block:

#1,765 4,248 blocks after it

Position in block:

Transaction 46 of 52

Award day:

May 28, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

FREPA BUILDER & CONSTRUCTION SUPPLY

Value:

₱9,633,113.74

Project:

12dj0114

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

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 #1,765 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 - QUEZON 2ND ED awarded it to FREPA BUILDER & CONSTRUCTION SUPPLY on 2013-05-28.
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 d60e1787f2…d2af50now …
2. Block Merkle root changed
stored af0e6ca66c…8c9f0cnow …
3. Block #1765 hash changed
stored b33608bd96…e140fanow …

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

leaf d60e1787f26f2ef738bfd4d10b7aba2dedf66e39e5e4596f04bee08e5ad2af50
01 R f191480c0b74a7add48dc8556fe09eefa4dac7358246b9f128e1114a3e00a368
02 L 5df42284b3290909e7241809c142d7d1b0ff8d0d522116af79e923959493882a
03 L 54947eef509efc4b2c5ddd67c8cde286965ea08695cbc80f9eceed1c80b9a155
04 L bf82ca2c9e5a080b022fb70dacf66e2a9bdd94876a453b9c37fbad9625fc942e
05 R e28bd01e34ebc1bb092bca2f0e15ccca3580f30f48f129003e1b465a8af72d4c
06 L 5704c07b0a9139e85771c7d9a6fc4e3ba09862fb456faf374b6dd8f7af1b8d41
root af0e6ca66caebb2ab832b4b1971d2dc43a65be78f7b635c24ba7742e788c9f0c