Pith Number

pith:VF2F42TB

pith:2012:VF2F42TBMPS6O2AWSUGEJUENCD

not attested not anchored not stored refs pending

Using Machine Learning for Discovery in Synoptic Survey Imaging

Dovi Poznanski, Henrik Brink, John Rice, Joseph W. Richards, Joshua S. Bloom, Martin Wainwright, Sahand Negahban

arxiv:1209.3775 v1 · 2012-09-17 · astro-ph.IM · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VF2F42TBMPS6O2AWSUGEJUENCD}

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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	2026-05-18T01:54:27.217399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9745e6a6163e5e76816950c44d08d10fea7bc7398d0bb33fb707f972fb49016

Aliases

arxiv: 1209.3775 · arxiv_version: 1209.3775v1 · doi: 10.48550/arxiv.1209.3775 · pith_short_12: VF2F42TBMPS6 · pith_short_16: VF2F42TBMPS6O2AW · pith_short_8: VF2F42TB

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/VF2F42TBMPS6O2AWSUGEJUENCD \
  | 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: a9745e6a6163e5e76816950c44d08d10fea7bc7398d0bb33fb707f972fb49016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635fd99c8ab4dd7520f15b77cd55edc29c7c0caee68a2c8d2ea0f91799934b71",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-09-17T20:00:02Z",
    "title_canon_sha256": "a5bcf949604f5680c480a224b08d2db53ba01bc9e8e49f48b76adcf24545b3b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3775",
    "kind": "arxiv",
    "version": 1
  }
}