Pith Number

pith:SRKYKGQV

pith:2021:SRKYKGQVUYE5GESLZAW7DBJDYM

not attested not anchored not stored refs pending

O'TRAIN: a robust and flexible Real/Bogus classifier for the study of the optical transient sky

A. Klotz, D. A. Kann, D. Corre, D. Turpin, K. Makhlouf, S. Karpov

arxiv:2112.10280 v1 · 2021-12-19 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRKYKGQVUYE5GESLZAW7DBJDYM}

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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.

Cited by

1 paper in Pith

The classification of real and bogus transients using active learning and semi-supervised learning

Receipt and verification

First computed	2026-07-05T04:47:10.465791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9455851a15a609d3124bc82df18523c3221b28b5da00dd2ee41d0aecae8ae8f4

Aliases

arxiv: 2112.10280 · arxiv_version: 2112.10280v1 · doi: 10.48550/arxiv.2112.10280 · pith_short_12: SRKYKGQVUYE5 · pith_short_16: SRKYKGQVUYE5GESL · pith_short_8: SRKYKGQV

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/SRKYKGQVUYE5GESLZAW7DBJDYM \
  | 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: 9455851a15a609d3124bc82df18523c3221b28b5da00dd2ee41d0aecae8ae8f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48498c3c0a6bddbf788b2e60168a084a985784845a135f3efb26bd4599d7be5f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-19T23:17:53Z",
    "title_canon_sha256": "3f5836ec04ed1add799eab7acdbd2e751f8accf04e798d8a54bad7ca3b668a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10280",
    "kind": "arxiv",
    "version": 1
  }
}