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 -CDO 1ST DEO Award a ₱2.4M contract to MENJER CONSTRUCTIONNational agencies

Transaction hash:

c3f9bd6c042ea5fe57fbcb6c00ea5516bf9900760c6df037c46fb861eee95398

Status:

Included and unchanged

Block:

#1,665 4,348 blocks after it

Position in block:

Transaction 29 of 35

Award day:

Jan 28, 2013 (13 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CDO 1ST DEO

To:

MENJER CONSTRUCTION

Value:

₱2,373,900.54

Project:

12KH0113

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CDO 1ST 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 #1,665 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 -CDO 1ST DEO awarded it to MENJER CONSTRUCTION on 2013-01-28.
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 c3f9bd6c04…e95398now …
2. Block Merkle root changed
stored 44967f75f1…4a7c4dnow …
3. Block #1665 hash changed
stored 69895100d8…153a1fnow …

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

leaf c3f9bd6c042ea5fe57fbcb6c00ea5516bf9900760c6df037c46fb861eee95398
01 L c3311cbcdb7a553cc248b9e693222a30cfa924ccd4b1446095772f6a78d4d5fb
02 R dd598b4e57d580e4e62a453dad50804856c6f7a1b0ae922a7fcd62208d29ff14
03 L 3b0f4fd03be472f9ea2bb35fe60edc1ce523a33e8bf72259086a9ec4588f280e
04 L 588d0aacd7542f1f67b60cef08e817b34455b63b74f45a397960027c5fe40596
05 L b448284eb955823881cb3829137e6385674ba5572e7c6d541c38990cac9766fc
06 R 83537ea93f64079e95b6f2f94b2d09a7173ba3f605a5583ebd77fa318799d1f2
root 44967f75f1082ca365afaba442f068c5e715791f564cf140bf04c433b04a7c4d