Pith Number

pith:3AW7JHBM

pith:2021:3AW7JHBMQSPM2MXLML262KJ3BG

not attested not anchored not stored refs pending

SN 2017hpa: A carbon-rich type Ia supernova

Anirban Dutta, Avinash Singh, Brajesh Kumar, D.K. Sahu, G.C. Anupama

arxiv:2102.08121 v1 · 2021-02-16 · astro-ph.SR · 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{3AW7JHBMQSPM2MXLML262KJ3BG}

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

SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope

Receipt and verification

First computed	2026-07-05T02:19:46.497387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d82df49c2c849ecd32eb62f5ed293b0995bdb302fa32b8dbe5be4a808fc597a4

Aliases

arxiv: 2102.08121 · arxiv_version: 2102.08121v1 · doi: 10.48550/arxiv.2102.08121 · pith_short_12: 3AW7JHBMQSPM · pith_short_16: 3AW7JHBMQSPM2MXL · pith_short_8: 3AW7JHBM

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/3AW7JHBMQSPM2MXLML262KJ3BG \
  | 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: d82df49c2c849ecd32eb62f5ed293b0995bdb302fa32b8dbe5be4a808fc597a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e84091acaaf2bf6b1a96a236f42faad2d1e92245f097e916bb5d5e05407b571",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-02-16T12:37:54Z",
    "title_canon_sha256": "702bfe29f6b59ee78296a475ff62a9e80b41c7853eaeb3ac4ff9fc148baaa6f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08121",
    "kind": "arxiv",
    "version": 1
  }
}