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 VIII Award a ₱7.3M contract to MAC BUILDERSNational agencies

Transaction hash:

03080abb5f085cbd2bd4ba4ef01f6ffd41eec18867ad9c3958b78e662c0b891c

Status:

Included and unchanged

Block:

#1,340 4,673 blocks after it

Position in block:

Transaction 2 of 65

Award day:

Jan 3, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

To:

MAC BUILDERS

Value:

₱7,301,250.73

Project:

11IE0130 Replacement of BUHO BRIDGE I, along Tabing-Kawayan-Sta. Rosa-Lawis-Tabango Road Tabango, Leyte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VIII

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 #1,340 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 VIII awarded it to MAC BUILDERS on 2012-01-03.
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 03080abb5f…0b891cnow …
2. Block Merkle root changed
stored 0354f1a24f…4ae5bbnow …
3. Block #1340 hash changed
stored 5198138ee9…caf5fanow …

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

leaf 03080abb5f085cbd2bd4ba4ef01f6ffd41eec18867ad9c3958b78e662c0b891c
01 R 05a4c624bfc9b24b86f12837b9415db84440fc5956a72d4a4f4b64daf62bca76
02 L 81c52ec45d3125e2ecb8fae19a34c3d024cece3d07aec0545d28eb107386d907
03 R 0923b395763bb85687b92120e0f5c5ad2116524adf63e5ce1982cdbe94c0df8e
04 R 7bff5de7854f3cc05c8a8656f589c4d0829a8b2c38d36d3f47e0d8a35fdafca8
05 R 15b2e725208e0bb7a96a96927b512df4e34e81834166de66bea848a7d58b30ef
06 R a8b6fb6970671a4bbff83c49df989d69acbde8a6d95f70f656e8d56b03f6140d
07 R 2976c4f86beddf08ec83e875b904f11c8305bf658da36075a4ce9933d32602bc
root 0354f1a24fce273d0f5d9ba16680d43daec45dd4d6ad05027f7635605d4ae5bb