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 ₱922.4K contract to ADB DYNAMIC BUILDERS & SUPPLYNational agencies

Transaction hash:

a20ca50b5fbc6f05914fef69910698cb064495af1082fbd1a7835af7e14b54c7

Status:

Included and unchanged

Block:

#1,928 4,085 blocks after it

Position in block:

Transaction 49 of 87

Award day:

Nov 28, 2013 (12 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

To:

ADB DYNAMIC BUILDERS & SUPPLY

Value:

₱922,434.80

Project:

13II0064 Bantayan River Control

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 #1,928 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 ADB DYNAMIC BUILDERS & SUPPLY on 2013-11-28.
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 a20ca50b5f…4b54c7now …
2. Block Merkle root changed
stored fd07524c25…cc53b4now …
3. Block #1928 hash changed
stored 228da54507…793d9dnow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 86 records. Each step hashes the current value together with the sibling shown.

leaf a20ca50b5fbc6f05914fef69910698cb064495af1082fbd1a7835af7e14b54c7
01 L 9de5843885a35d4a1759aab3f32d1670e08db50aa9154819b5a270ac70b70956
02 R cdd7c56fcb40d29b72efedef05644a89736ac843748d325ae31f0b0acba16ce3
03 R 9a3907c032230ce5419f0057066a0450c2a0508c292b423320594f555e840e3d
04 R 3d97a8aed1aaa7c0fe30e2eabd0f5ccf8bd708ea8fe31c62c91a765ff0f83a9a
05 L b177e0ca7c67660b445fedd4ffaf86f6c0f642bd236e8d47dcd798e5885eee96
06 L e6062e2211c7149b482ef373c0e33eb222763078389cfdf5cfd6215b0cb59674
07 R 1df40fc9cde3a40b1abb2b75f2710b62b0a77118f332054b39f33a8d93e04600
root fd07524c25a4f3dd70d32544e713c3466b3214e49d36ed89c4817c5235cc53b4