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 ₱100.0K contract to SANDICO BUILDERSNational agencies

Transaction hash:

342acf73a3d05c20bb11c09ecdc2c8cecbd2376311fb282d26b0d486b7a0222f

Status:

Included and unchanged

Block:

#758 5,255 blocks after it

Position in block:

Transaction 13 of 54

Award day:

Dec 16, 2009 (16 yrs 10 mo ago)

From:

JOSE ABAD SANTOS HIGH SCHOOL

To:

SANDICO BUILDERS

Value:

₱99,965.60

Project:

Project SCHOOL BUILDING IMPROVEMENT ( Floor coating/Painting 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 #758 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 SANDICO BUILDERS on 2009-12-16.
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 342acf73a3…a0222fnow …
2. Block Merkle root changed
stored a206a62f1a…a8cd1fnow …
3. Block #758 hash changed
stored b6db3cc1fb…c800cfnow …

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 342acf73a3d05c20bb11c09ecdc2c8cecbd2376311fb282d26b0d486b7a0222f
01 L 302896ffb6ddd57db8635dc7999808668ed082b3adeb8f0780f161cb3154418c
02 R 678918f37258821a2d85c5ccc9bdd640fb2f4f8bc02d28bcfb9e8a82eb2949ac
03 L e9128c2f7fafaedaf8266f47690c066eeca28daa937c7590dadc4d024aefbe9d
04 L ddd2c8aef7499fac0f25cf6a38ae927e470e0d6b51f2dc789472523b8f2e7810
05 R 655dd3d8f94cbc9532720059f86aa1828fec49f7719d4e64ede7a20cd9aae12b
06 R 2a56f2e522ce07103bd42532dc811c7528b3b10d39647b964e074d6d6f0be3fe
root a206a62f1a5f0558d8c8e1eac9ee4878768eb783d3cd400fcbc0aeda24a8cd1f