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 CAMARINES SUR Award a ₱591.2K contract to HGG BUILDERS AND SUPPLYNational agencies

Transaction hash:

90b3e376f5191d51bc16c552eeb9ff9d05f95e6e3f70acf60b20d2c072bf4cf4

Status:

Included and unchanged

Block:

#1,506 4,507 blocks after it

Position in block:

Transaction 29 of 58

Award day:

Jul 13, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES SUR

To:

HGG BUILDERS AND SUPPLY

Value:

₱591,188.05

Project:

REPAIR AND REHABILITATION OF SCHOOL BUILDING OF TURAGUE ES (QRF CY 2011) Negotiated Procurement

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF CAMARINES SUR

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 #1,506 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 CAMARINES SUR awarded it to HGG BUILDERS AND SUPPLY on 2012-07-13.
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 90b3e376f5…bf4cf4now …
2. Block Merkle root changed
stored becc430e8e…773e6enow …
3. Block #1506 hash changed
stored ddc252783a…c3c369now …

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

leaf 90b3e376f5191d51bc16c552eeb9ff9d05f95e6e3f70acf60b20d2c072bf4cf4
01 L 8e2598fc02b4797527387d46bc48d8305b6f870a58600f32b7eebe32a4ed51b3
02 R 6f58e6a80556537ec4f1b628baf850dbc1f96a28c792cf278a69450536728730
03 L f2cd351b9df8fe23f36ede75333b647c74e042a89ef446f3475d600ce72d4333
04 L d8b813e2becaac44a79254afa566591667e97aad202fbac1ffc9e4c3df6223ab
05 L f88231d689de055892030fdd5e4c037521e629a1f4d9b596580fde3dfd14911c
06 R bbf6a8a61edd3303d60bebf9a623ac54a7e39be152486e2dfea6216f8246a6f1
root becc430e8e0fedd33bc492f6b892d2b71cff0b724e77ab495495315ac7773e6e