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, NORTHERN SAMAR 2ND Award a ₱1.9M contract to CDU CONSTRUCTIONNational agencies

Transaction hash:

ab1c4fa4fdc07cd2abcec9671d3e4b60b9d129401d99657098ddb9f79a38286b

Status:

Included and unchanged

Block:

#1,057 4,956 blocks after it

Position in block:

Transaction 24 of 35

Award day:

Jan 26, 2011 (15 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

To:

CDU CONSTRUCTION

Value:

₱1,914,350.00

Project:

Repair/Rehabilitation of School Building under cluster SB-10-03

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

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 #1,057 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, NORTHERN SAMAR 2ND awarded it to CDU CONSTRUCTION on 2011-01-26.
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 ab1c4fa4fd…38286bnow …
2. Block Merkle root changed
stored 760650a02e…c892adnow …
3. Block #1057 hash changed
stored 23001fb706…3b3598now …

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 ab1c4fa4fdc07cd2abcec9671d3e4b60b9d129401d99657098ddb9f79a38286b
01 R b6e19c8c52b0c4fcf37f6611172002858bc3277e8c0dd16c7076f8c6c3c190fb
02 R d09faa1d08d58540f97581576c5ff275c178e2c259b2fbd236a88121023708d7
03 R e47695d1de0f47a16515781a4983768203605d5bba419e244fe1280e9314820e
04 L 3e64cdf0fd283aeef796a7a10c3b41ffc0c26e8ac538f65cf9c341063ec13c84
05 L a573fc955af9e514c8e6ccb0ba1c4921af7af9a1cafcb6e597534c47e92e5746
06 R 3bd245e77829f351a82cda874c063f939600598b0db8df21cafdf9f08c6e8084
root 760650a02e63c81b46235b4af1bc83508e65396d045e611204ffb0e44fc892ad