Pith Number

pith:Y6M5FMKS

pith:2021:Y6M5FMKS6EVT4H42FYPSFSWQDR

not attested not anchored not stored refs pending

Real-time Discovery of AT2020xnd: A Fast, Luminous Ultraviolet Transient with Minimal Radioactive Ejecta

Anna Y. Q. Ho (Berkeley), Christoffer Fremling (Caltech), Claudia P. Guti\'errez (FINCA/Tuorla), Cosimo Inserram (Cardiff), Daniel A. Perley (LJMU), Dmitry A. Duev (Caltech), Eric C. Bellm (UW), Erik C. Kool (Stockholm), Frank J. Masci (IPAC), G. C. Anupama (IIA), Harsh Kumar (IIT Bombay), James D. Neill (Caltech), Jesper Sollerman (Stockholm), Joannes van Roestel (Caltech), Joseph P. Anderson (ESO), Llu\'is Galbany (UAB), Mansi M. Kasliwal (Caltech), Mariusz Gromadzki (Warsaw), Matthew J. Graham (Caltech), Matt Nicholl (Birmingham), Miika Pursiainen (DTU), Nada Ihanec (Warsaw), Philip Wiseman (Southampton), Richard Walters (Caltech), Russ R. Laher (IPAC), S. R. Kulkarni (Caltech), Steve Schulze (Stockholm), Sudhanshu Barway (IIA), Ting-Wan Chen (Stockholm), Varun Bhalerao (IIT Bombay), Yashvi Sharma (Caltech), Yuhan Yao (Caltech)

arxiv:2103.01968 v3 · 2021-03-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6M5FMKS6EVT4H42FYPSFSWQDR}

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.

Cited by

1 paper in Pith

AT2019ijn: a fast-rising, slow-decaying blue optical transient with exceptionally bright radio emission

Receipt and verification

First computed	2026-07-05T03:23:39.296120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c799d2b152f12b3e1f9a2e1f22cad01c7e96dad6969ec6c29a84ba23c477f561

Aliases

arxiv: 2103.01968 · arxiv_version: 2103.01968v3 · doi: 10.48550/arxiv.2103.01968 · pith_short_12: Y6M5FMKS6EVT · pith_short_16: Y6M5FMKS6EVT4H42 · pith_short_8: Y6M5FMKS

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/Y6M5FMKS6EVT4H42FYPSFSWQDR \
  | 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: c799d2b152f12b3e1f9a2e1f22cad01c7e96dad6969ec6c29a84ba23c477f561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0955c0b970eae4c44d2513a7d3786f7f46e4b48f18a0bc1e334c0baaa95599d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-03-02T19:00:01Z",
    "title_canon_sha256": "1511e1bcbd8c3e1da9ea63eac5f47736e450b2620625af86be3b7a74d0de912e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01968",
    "kind": "arxiv",
    "version": 3
  }
}