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 - BILIRAN ENGINEERIN Award a ₱4.0M contract to YOYEN ENTERPRISESNational agencies

Transaction hash:

b5f6b47f06721d616de49d8a23b1e084b9fbf05b48f8ac21e2b5f2e8de838be8

Status:

Included and unchanged

Block:

#1,096 4,917 blocks after it

Position in block:

Transaction 40 of 50

Award day:

Mar 16, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BILIRAN ENGINEERIN

To:

YOYEN ENTERPRISES

Value:

₱3,950,750.00

Project:

Asphalt Overlay of Leyte – Biliran Road, Km.1006+000-Km.1006+452

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BILIRAN ENGINEERIN

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 #1,096 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 - BILIRAN ENGINEERIN awarded it to YOYEN ENTERPRISES on 2011-03-16.
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 b5f6b47f06…838be8now …
2. Block Merkle root changed
stored 3ef255c2b9…21f4aanow …
3. Block #1096 hash changed
stored 28c63355a7…ca3e8enow …

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 b5f6b47f06721d616de49d8a23b1e084b9fbf05b48f8ac21e2b5f2e8de838be8
01 R c5a6d128ff5ba8ffa051625288d197c44ce5c2b18f64a7accff4307a6596494b
02 R 615462a3072c271a286b008735866fd60465047e3b9a9afc8f55b3fba905f841
03 R 18ab39980cdb347602c3bd72fa9d962e4db8ecfb44f8a695db709e1f3618df2a
04 L cea556abbfdf27474069e84932ed0324e1c82e3b4754a5263138e449d363fa0d
05 R 1e641fb1adb05a3279fd30f0e51f7a0001d6899872f369a981a6d6076149f592
06 L cfb7da6ea09e939524793c006fc46435fbebc5760cb8e8f8e656867e8d3faa3a
root 3ef255c2b93d4ec329e4f94d820ab9f2ed7fbd65611debd3706550539521f4aa