Pith Number

pith:CTHN5GPO

pith:2000:CTHN5GPO2D2BI57YXFFX3763VH

not attested not anchored not stored refs pending

The Discovery of Argon in Comet C/1995 O1 (Hale-Bopp)

D.C. Slater, E. Wilkinson, G.R. Gladstone. M.F. A'Hearn, J.Wm. Parker, M.C. Festou, S.A. Stern

arxiv:astro-ph/0011327 v1 · 2000-11-16 · 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{CTHN5GPO2D2BI57YXFFX3763VH}

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	2026-05-18T02:40:36.601371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14cede99eed0f41477f8b94b7dffdba9e2f73f233ba9b92f92053365c6010091

Aliases

arxiv: astro-ph/0011327 · arxiv_version: astro-ph/0011327v1 · doi: 10.48550/arxiv.astro-ph/0011327 · pith_short_12: CTHN5GPO2D2B · pith_short_16: CTHN5GPO2D2BI57Y · pith_short_8: CTHN5GPO

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/CTHN5GPO2D2BI57YXFFX3763VH \
  | 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: 14cede99eed0f41477f8b94b7dffdba9e2f73f233ba9b92f92053365c6010091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3d9d6ac600bbd7d5798435292610edac85b27b229609340329ab423d3064ff9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-16T23:29:16Z",
    "title_canon_sha256": "cb620ecc9dbfdfc705912f6f28b1318d2602746ee6af054d9ac035a5739a5d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011327",
    "kind": "arxiv",
    "version": 1
  }
}