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 - PALAWAN 2ND DEO Award a ₱759.9K contract to SEVEN DIGIT CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

33aacfdb74e89bb582a2f31849b02bb7a68c943486cdb3a9d38feacbd413a73b

Status:

Included and unchanged

Block:

#1,173 4,840 blocks after it

Position in block:

Transaction 12 of 50

Award day:

Jun 22, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 2ND DEO

To:

SEVEN DIGIT CONSTRUCTION AND SUPPLIES

Value:

₱759,872.60

Project:

Repair/Maintenance of Marangas Flood Control, Bataraza, Palawan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 2ND 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 #1,173 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 - PALAWAN 2ND DEO awarded it to SEVEN DIGIT CONSTRUCTION AND SUPPLIES on 2011-06-22.
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 33aacfdb74…13a73bnow …
2. Block Merkle root changed
stored af648adbbf…039be4now …
3. Block #1173 hash changed
stored 83b0c4f829…4fe768now …

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

leaf 33aacfdb74e89bb582a2f31849b02bb7a68c943486cdb3a9d38feacbd413a73b
01 R 3807c8862911cba20c7215e363cdba88c98ce666ae124cb70273e1e302e9718a
02 R f71667a41e8946d39ef3b75670ea211b927d361dfac60107cf2ac061862238eb
03 L 9cbfb8276e44ea1c58819566187f48de21ee55a773c1ce282e1c6fd4b384ee9f
04 L 1fb6d0f19b1d4ab4dddf634668d9cb19f4d33e39aa456df437734c5241b50387
05 R e5c75b6f83acec5d8466cf4e15186937abc92260ca766b0a256157fd721f825d
06 R 020cfbd7ea13f2c5f012be9b0f15350880684d6639ea6f3d5cf13d85abdaeabc
root af648adbbfc13eb85b6d75ab3f102cd1c0aa1b2823419d9ae99a2a2a88039be4