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 - PALAWAN 2ND DEO Award a ₱1.6M contract to SAMURAI CONSTRUCTIONNational agencies

Transaction hash:

d8bb1ba072f22eb2c9e88bf2b7b593fa053524d9eb0e4ddcdbccee649d4ae4fd

Status:

Included and unchanged

Block:

#1,623 4,390 blocks after it

Position in block:

Transaction 40 of 46

Award day:

Nov 28, 2012 (13 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND DEO

To:

SAMURAI CONSTRUCTION

Value:

₱1,638,856.38

Project:

Repair/Maintenance of Puerto Princesa South Road (Pavement Markings), Sofronio Española, Palawan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND 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 #1,623 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 - PALAWAN 2ND DEO awarded it to SAMURAI CONSTRUCTION on 2012-11-28.
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 d8bb1ba072…4ae4fdnow …
2. Block Merkle root changed
stored faa91c6cd9…4be55cnow …
3. Block #1623 hash changed
stored fa629733b0…1dc8e5now …

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

leaf d8bb1ba072f22eb2c9e88bf2b7b593fa053524d9eb0e4ddcdbccee649d4ae4fd
01 R d9aedb52ce1375cd8292ccc1e5cc1ebf3d3a6b8e190f84d067fd87a7b8369d2e
02 R 3a412fe9674692a4d95f6d8717a527d5dc23c03bea324f62ea08912d61f540f3
03 R cd54dceb0c6b5e5a316e0226098d2646b740443f2c9c1a48a195be7da735ff55
04 L 8c7667d0ef2f77ff9a1f0e3a604c8c9d811811801a6cfffddaaa73f7aee37533
05 R 575dd4bf6be0aa5b383d3a2d99d4fc7635a5e367426f2a5d6cfddedb32f2030e
06 L 5668da5b655e5afc5bec6e166f914cc32c4972b2b6ee53fc3bf414f63e0a07a1
root faa91c6cd9c0015a09e10b0c6450329920041e7ed91cc881bb22d8acb04be55c