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 - LAGUNA SUB-DEO Award a ₱9.9M contract to ALCEL CONSTRUCTIONNational agencies

Transaction hash:

c18e4bcb96de6d84a7c22bae95ad8d27b32a2395f951a4fdf4a635c97ae60347

Status:

Included and unchanged

Block:

#1,499 4,514 blocks after it

Position in block:

Transaction 48 of 66

Award day:

Jul 5, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

ALCEL CONSTRUCTION

Value:

₱9,868,360.41

Project:

12DP0063 Installation/Application/Construction of Road Safety Devices Along San Pablo-Rizal-Nagcarlan-Liliw rd.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-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 #1,499 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 - LAGUNA SUB-DEO awarded it to ALCEL CONSTRUCTION on 2012-07-05.
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 c18e4bcb96…e60347now …
2. Block Merkle root changed
stored cff3c45bbb…b2db5dnow …
3. Block #1499 hash changed
stored df724b18bb…c0c9benow …

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

leaf c18e4bcb96de6d84a7c22bae95ad8d27b32a2395f951a4fdf4a635c97ae60347
01 R c6c1066ce9c0bf3f500de543c7920b7e4a15b4a181a422c0668713016bd13e6e
02 R 70af4d7c38e4cbcd6faeeb3b0d9895e49c7b6c336b69a360755b190ebd9de9a2
03 R c4a9945bd28e3288944317b4ebd05607da1357aeaafd3d3daf40f629c9065b2d
04 R d5f64caa204e16c094d951cc138ca7690b6b50332257cda803410437b82d72a8
05 L de44edcf02a9cb905460164d0658ec45857c01e18f346eea5c9dde7bb55a818b
06 L f1c35af62c4ae7fafd0b5034711011e8703ef10df1990148fcb7d32db8836af9
07 R 9dfba8fd1bc3e492fda45aecc451003af3f9185b4be288c443eb2dc3d604dad9
root cff3c45bbbba907f5bbc0e5fc77b6dbc052d835c6b438c830cc0699c6bb2db5d