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 ₱97.3K contract to SHERF BUILDERS CORPORATIONNational agencies

Transaction hash:

b40f3ee9982b25c4fa23e1ca9ded0df0094f85a4c8fa8911fc33fb93d970925e

Status:

Included and unchanged

Block:

#1,511 4,502 blocks after it

Position in block:

Transaction 26 of 51

Award day:

Jul 18, 2012 (14 yrs 3 mo ago)

From:

JOSE ABAD SANTOS HIGH SCHOOL

To:

SHERF BUILDERS CORPORATION

Value:

₱97,270.84

Project:

Re Construction of Hallway at Bldg. 2

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 #1,511 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 2012-07-18.
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 b40f3ee998…70925enow …
2. Block Merkle root changed
stored cc787720c2…06d81dnow …
3. Block #1511 hash changed
stored 96db6898a5…54ba92now …

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

leaf b40f3ee9982b25c4fa23e1ca9ded0df0094f85a4c8fa8911fc33fb93d970925e
01 R b4b0c9a7bcb5f74f2655879c86c49c83e5a92b7c1d29867c94459e54ddf758fd
02 L 048ac9c53792317915afb216c84aebb0d99c179029de6dbdd09e4a9bc09c53c2
03 R 26c0598ac384452a784490dfc9f382ac6f8f7ed3cb85183c3814f96cf248f4f3
04 L 4d1d128de90810a1a82d132c4fbe461c4c2223e0d38f40ba4af2eff6742b2690
05 L b115224fce9a6387806a3e90b321b748fcc088a319d599caec6a4ba386a32fe3
06 R 214873002c7aee696a69ae6de2a18e2173a3431809a7540fe6e139c54276a60a
root cc787720c2c67bba6981c3a3fc14ea41e9a4af7ef5a6439080c335698406d81d