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 EDUCATION - DIVISION OF ILOILO CITY Award a ₱4.8M contract to V.N. GRANDE BUILDERS & SUPPLYNational agencies

Transaction hash:

bd694130f5bac3ce16ea9cd0333db52a43e7722004477c575690693620364fad

Status:

Included and unchanged

Block:

#1,025 4,988 blocks after it

Position in block:

Transaction 16 of 22

Award day:

Dec 13, 2010 (15 yrs 11 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF ILOILO CITY

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱4,808,725.75

Project:

Repair/Rehabilitation of Heritage or Gabaldon School Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF ILOILO CITY

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 #1,025 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 EDUCATION - DIVISION OF ILOILO CITY awarded it to V.N. GRANDE BUILDERS & SUPPLY on 2010-12-13.
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 bd694130f5…364fadnow …
2. Block Merkle root changed
stored e3801199c3…8d6f92now …
3. Block #1025 hash changed
stored b673c31e80…0e75e3now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.

leaf bd694130f5bac3ce16ea9cd0333db52a43e7722004477c575690693620364fad
01 R c15fb0e6dd408ab52e35ebd072f5f767e6eb9a10a69d88a4be9ea5256f20d2cb
02 R 58d4b51c18ee6bf0e5022e8e2af4c7dd5f1926ffc854c5ba32631950ff1b795d
03 R f4020f1c6ca34b8fb83c114e1b2217e0c5c5359c8da064e6663fefc05d68b286
04 R 8daeebff90aaaac7f2e2502bcd51d487272381adb79ecccf5493ace91d856aee
05 L bd25a7bc7b8b4670078e95df74a71d90e1f868a3d1fcaeeb9538674d0ca91722
root e3801199c37d34c1dae0b63463af25767d6e34b56e194ed3703dd205178d6f92