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 - NORTH COTABATO 1ST Award a ₱1.8M contract to CONSTRUCTORS' DEVELOPMENT MPCNational agencies

Transaction hash:

69aff2d5afa9ea38ea8ae0c84b02e62303e85d591ec8b03cff53885c867262f6

Status:

Included and unchanged

Block:

#1,760 4,253 blocks after it

Position in block:

Transaction 23 of 62

Award day:

May 22, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST

To:

CONSTRUCTORS' DEVELOPMENT MPC

Value:

₱1,808,655.06

Project:

13MC0060

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST

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 #1,760 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 - NORTH COTABATO 1ST awarded it to CONSTRUCTORS' DEVELOPMENT MPC on 2013-05-22.
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 69aff2d5af…7262f6now …
2. Block Merkle root changed
stored 6ca253e127…2b14a8now …
3. Block #1760 hash changed
stored b45457f139…6a783dnow …

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

leaf 69aff2d5afa9ea38ea8ae0c84b02e62303e85d591ec8b03cff53885c867262f6
01 L 674e37d8b0fb1d18a5fd6400be3ba4f3ab99d1a00179ca52111e0c59ec18ef19
02 L 40edcdd5b64f725f1e7e96ddbb2b74b3421b11ae230166beb50e8012064d3ef4
03 L 557a29c60e9bf634bae09e402f3ea1fc4201090245afed97f3db613cb989d5d4
04 R 532f44800798b06e7c2cbdf94fcad75bac967589bd70304110fe28acd45f107c
05 L 585f00c116ffb5f6bde1892f9f65e39e646257f517214c75b817ef878ae1783c
06 R a0271f4f910f1e3894515ce7d23086f3b13d38a3179f60c25bcaf9dd68a72f36
root 6ca253e1274a5407a1bbdf2103e82c2b74ac02a72935761ff3157a2efc2b14a8