Pith Number

pith:CHGLXMMX

pith:2020:CHGLXMMX7ZKYGKMJT2DKMVPYH2

not attested not anchored not stored refs pending

The changing-type SN 2014C may come from an 11-$M_\odot$ star stripped by binary interaction and violent eruption

Justyn R. Maund, Ning-Chen Sun, Paul A. Crowther

arxiv:2003.09325 v2 · 2020-03-20 · astro-ph.SR · 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{CHGLXMMX7ZKYGKMJT2DKMVPYH2}

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	2026-07-05T01:26:10.787869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11ccbbb197fe558329899e86a655f83e97967fdcffbe6e775cfa447532da8398

Aliases

arxiv: 2003.09325 · arxiv_version: 2003.09325v2 · doi: 10.48550/arxiv.2003.09325 · pith_short_12: CHGLXMMX7ZKY · pith_short_16: CHGLXMMX7ZKYGKMJ · pith_short_8: CHGLXMMX

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/CHGLXMMX7ZKYGKMJT2DKMVPYH2 \
  | 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: 11ccbbb197fe558329899e86a655f83e97967fdcffbe6e775cfa447532da8398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "678e20ba1334249d0c73fe439c3014e3117118965ca9cd0fb748bb585affa747",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-20T15:27:12Z",
    "title_canon_sha256": "887f27796bead205ddf44aaa210834bb613c60b56d13d9c571af44c740ea65c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09325",
    "kind": "arxiv",
    "version": 2
  }
}