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

JOSE ABAD SANTOS HIGH SCHOOL Award a ₱93.5K contract to SHERF BUILDERS CORPORATIONNational agencies

Transaction hash:

5d7a30ee9c859c3bbbec9afcf25f70bf4e2571fb4327e587876d0b27479930f7

Status:

Included and unchanged

Block:

#1,500 4,513 blocks after it

Position in block:

Transaction 19 of 54

Award day:

Jul 6, 2012 (14 yrs 4 mo ago)

From:

JOSE ABAD SANTOS HIGH SCHOOL

To:

SHERF BUILDERS CORPORATION

Value:

₱93,500.00

Project:

Library Improvements

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

JOSE ABAD SANTOS HIGH SCHOOL

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 #1,500 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)
JOSE ABAD SANTOS HIGH SCHOOL awarded it to SHERF BUILDERS CORPORATION on 2012-07-06.
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 5d7a30ee9c…9930f7now …
2. Block Merkle root changed
stored d6b86b0108…1e83c9now …
3. Block #1500 hash changed
stored c22ff33e02…302df7now …

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

leaf 5d7a30ee9c859c3bbbec9afcf25f70bf4e2571fb4327e587876d0b27479930f7
01 L 53d6ceaf6824d0ced116434a15bada36572564bdc83837b4029e2db2b2e22581
02 L f55d68bf981a0c1d6ebe5ee3c74ec269ab03c956a2f416b840d80f33ddcc029f
03 R d971c321c9f3054b2ae8a8ed0963e51dae63746b53e81428d0d1fd8c28e2c1b3
04 R fc24553af7771979372950ecbcd3994fbf7ed6832fe3d82283ae102f1edaae7d
05 L 9e29a83a3d179a16c16f31f1d5fa843a2dab6849c8e87de3ce986aa335a4c3bb
06 R 48193f5733210d62b295c0cc986998d1a146e27d5a2dfd4613448e952af717c2
root d6b86b0108683606943ab40a066fdf0951d89eaeab50827d4b3c3912911e83c9