Pith Number

pith:KQCCYWI2

pith:2002:KQCCYWI2I4VTORGE6LFGKYDTGW

not attested not anchored not stored refs pending

V838 Mon and the new class of stars erupting into cool supergiants (SECS)

A.Henden, R.M.L.Corradi, T.Zwitter, U.Munari

arxiv:astro-ph/0207088 v1 · 2002-07-03 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQCCYWI2I4VTORGE6LFGKYDTGW}

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	2026-07-04T16:30:19.428187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54042c591a472b3744c4f2ca656073358b0b364c5ef20f7c63fd975378e37667

Aliases

arxiv: astro-ph/0207088 · arxiv_version: astro-ph/0207088v1 · doi: 10.48550/arxiv.astro-ph/0207088 · pith_short_12: KQCCYWI2I4VT · pith_short_16: KQCCYWI2I4VTORGE · pith_short_8: KQCCYWI2

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/KQCCYWI2I4VTORGE6LFGKYDTGW \
  | 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: 54042c591a472b3744c4f2ca656073358b0b364c5ef20f7c63fd975378e37667

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20df04432943eaee1d9e33956fc56341745c583e6da94ab03bc286a3d5365ffe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-03T12:17:48Z",
    "title_canon_sha256": "4757f0ac686ba21dd542bed21057a34f86373d01885d1fe8309a1ea96191666b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207088",
    "kind": "arxiv",
    "version": 1
  }
}