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 - N. SAMAR 1ST DEO Award a ₱9.0M contract to CDU CONSTRUCTIONNational agencies

Transaction hash:

e2192e2a102e619c649fb0f27f109e411f23d0999177b400df2b1f91907588ae

Status:

Included and unchanged

Block:

#1,342 4,671 blocks after it

Position in block:

Transaction 46 of 52

Award day:

Jan 5, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST DEO

To:

CDU CONSTRUCTION

Value:

₱9,032,001.36

Project:

Replacement of Timber Bridge with RC Flat Slab (2-lanes)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. SAMAR 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 #1,342 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 - N. SAMAR 1ST DEO awarded it to CDU CONSTRUCTION on 2012-01-05.
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 e2192e2a10…7588aenow …
2. Block Merkle root changed
stored a0bf4aa22b…84d42bnow …
3. Block #1342 hash changed
stored 71a4289b80…972c82now …

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

leaf e2192e2a102e619c649fb0f27f109e411f23d0999177b400df2b1f91907588ae
01 R e8b6fbbb39a11754b70119bf110167fb6c8a78f554db8ad3a53183c392766d19
02 L 88e1f2e9fad2dfa54f0f79a5f682f6cafd53e9cb8058496ad52bcc37b510c519
03 L acb51a94fa9a91de70f9708d671057556051148c340d3658d0d733de9e4204ff
04 L 87ea3698aa7e2e68eef52b7a1809d429eb8a23317e41e7fadfef5a664b1676d9
05 R 89e3b3297e15efe89ee0ad3941ac47bdd83c35ab2bce64245f2a55b3c2e178c2
06 L d9d7ff1a2ed1bc9a855eed14e14ad70ad40897a90c871bac1b1b0aa54e08232d
root a0bf4aa22b058e79067d9cbbe57921496e71805c52719c0a327e735d6f84d42b