Pith Number

pith:JNSKOART

pith:2018:JNSKOARTVSZMD3J5A6V4CBKBTC

not attested not anchored not stored refs pending

The discrimination between star-forming and AGN galaxies in the absence of H{\alpha} and [NII]: A machine learning approach

Hossen Teimoorinia, Jared Keown

arxiv:1805.04069 v1 · 2018-05-10 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNSKOARTVSZMD3J5A6V4CBKBTC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:14:07.517533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b64a70233acb2c1ed3d07abc10541989b984100ddb3ed76347ac87b95eccdb3

Aliases

arxiv: 1805.04069 · arxiv_version: 1805.04069v1 · doi: 10.48550/arxiv.1805.04069 · pith_short_12: JNSKOARTVSZM · pith_short_16: JNSKOARTVSZMD3J5 · pith_short_8: JNSKOART

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JNSKOARTVSZMD3J5A6V4CBKBTC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4b64a70233acb2c1ed3d07abc10541989b984100ddb3ed76347ac87b95eccdb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01fc5e35572da5b5a7e3a140b373e9aa77304dcc86986b13c58f611946b00376",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-10T17:24:03Z",
    "title_canon_sha256": "6c1bb3519b016b8b86d06421166d1ddddc3897041f18f11809b4580dee64c88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04069",
    "kind": "arxiv",
    "version": 1
  }
}