Pith Number

pith:FXIYUUA7

pith:2000:FXIYUUA765KFEHHEBFUKRNV3SC

not attested not anchored not stored refs pending

N$_2^+$ and CO$^+$ in Comets 122P/1995 S1 (deVico) and C/1995 O1 (Hale-Bopp)

Anita L. Cochran, Edwin S. Barker, William D. Cochran

arxiv:astro-ph/0003122 v1 · 2000-03-08 · 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{FXIYUUA765KFEHHEBFUKRNV3SC}

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	2026-07-04T16:16:09.953377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dd18a501ff754521ce40968a8b6bb90b02075f2e0683e9cb23334ff5ad84f38

Aliases

arxiv: astro-ph/0003122 · arxiv_version: astro-ph/0003122v1 · doi: 10.48550/arxiv.astro-ph/0003122 · pith_short_12: FXIYUUA765KF · pith_short_16: FXIYUUA765KFEHHE · pith_short_8: FXIYUUA7

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/FXIYUUA765KFEHHEBFUKRNV3SC \
  | 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: 2dd18a501ff754521ce40968a8b6bb90b02075f2e0683e9cb23334ff5ad84f38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb5ada39e1b5862db4ce25fc26f0f012268753a76662f9f712b827b35d31334",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-08T23:52:22Z",
    "title_canon_sha256": "d202e11cbde31646d682523e971af073adfa2a0a52c7de4cc7db8b92bc93c00d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003122",
    "kind": "arxiv",
    "version": 1
  }
}