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 - ZAMBOANGA CITY DEO Award a ₱1.5M contract to A.H.E. CONSTRUCTIONNational agencies

Transaction hash:

2e682d8eb9ea1eb79c08d9b43e0d0502f1d2dd4aad2f9bef29df0c6cb8c8d4fc

Status:

Included and unchanged

Block:

#2,359 3,654 blocks after it

Position in block:

Transaction 29 of 122

Award day:

Mar 24, 2015 (11 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBOANGA CITY DEO

To:

A.H.E. CONSTRUCTION

Value:

₱1,451,400.38

Project:

Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBOANGA CITY 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 #2,359 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 - ZAMBOANGA CITY DEO awarded it to A.H.E. CONSTRUCTION on 2015-03-24.
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 2e682d8eb9…c8d4fcnow …
2. Block Merkle root changed
stored a19a1fa5e5…ecba7bnow …
3. Block #2359 hash changed
stored 9968480a54…c13055now …

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

leaf 2e682d8eb9ea1eb79c08d9b43e0d0502f1d2dd4aad2f9bef29df0c6cb8c8d4fc
01 L 2d93d0908ab8901221f05fe3e0a3cee9c92f6ecd422eba99451fbd5fdfae404b
02 R 75f3e61f7e7bbabeb22ff2eaf891d320b9abc78c9dc598f16d1242816826f0d6
03 L c2750de10bd4fe48c9bfddce08668dfc1cecb37ec522312b9eeada6e1c18149d
04 L 54b796222f64416b9033f143beea4b39bc1c9536dd0d9909ae5c386114dc3770
05 L af61292869a8ea8a8e4785ba7561b2fa92b2c1e07d0d1061fca12abde70f2868
06 R c7cee9680248f9cbaa15cfa6d03e37a86fe553d48b8bd82fe431d3e0314d4619
07 R 70d21a04b2367066da01295d142ecd8136d28bcc2395979ce958017bf73b3258
root a19a1fa5e5058bcb0b7496e981c6600f8b85f220bd3bfa9dc40b8b54cfecba7b