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 & HIGHWAYS - LDN 1ST DEO Award a ₱1.3M contract to MENJER CONSTRUCTIONNational agencies

Transaction hash:

aed97f58eaa558e1eec656c71f731eadf0ff21ea0871dceebf532e2d818a4082

Status:

Included and unchanged

Block:

#1,009 5,004 blocks after it

Position in block:

Transaction 13 of 20

Award day:

Nov 23, 2010 (15 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

MENJER CONSTRUCTION

Value:

₱1,286,304.35

Project:

Cluster IX - Construction of Fiive (5) units Multi-Purpose Building at Lala, Lanao del Norte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 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 #1,009 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 & HIGHWAYS - LDN 1ST DEO awarded it to MENJER CONSTRUCTION on 2010-11-23.
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 aed97f58ea…8a4082now …
2. Block Merkle root changed
stored 65690cfb45…4896c4now …
3. Block #1009 hash changed
stored c36b22a260…bf92c7now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.

leaf aed97f58eaa558e1eec656c71f731eadf0ff21ea0871dceebf532e2d818a4082
01 L 9c203307d75acda26373dae7c2e098dcec6d5bac2bb06d174ffac1a726ccc3a1
02 R 2f39943d7554e8eae6342ab4d7a7987d2864618813812e67535386bee8990fdd
03 L b9e48ad1255240c70128c53d39f911557b4f3f4bcb621d5451106eecedd67566
04 L 2c9ed2ab3cd98991b41218e0beeb16c26bdef094d5a12934f5deb494923ea765
05 R 701cbbbb77d19a43f0361ce389e5ea5e20ff3423f0b949c091ba6a37d9072580
root 65690cfb45853a88c503460ead613449137c9432583e08273c018cc5654896c4