Pith Number

pith:CA7VTT6Z

pith:1998:CA7VTT6ZNCED2BW6CVRU4Z7R3Q

not attested not anchored not stored refs pending

CO, CI and CII observations of NGC 7023

A.L. Betz, J. Keene, M. Gerin, R.T. Boreiko, T.G. Phillips

arxiv:astro-ph/9802116 v2 · 1998-02-10 · 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{CA7VTT6ZNCED2BW6CVRU4Z7R3Q}

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	2026-07-04T16:06:09.219649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103f59cfd968883d06de15634e67f1dc0f09f5f9e91d318b7b035f5037c5af9d

Aliases

arxiv: astro-ph/9802116 · arxiv_version: astro-ph/9802116v2 · doi: 10.48550/arxiv.astro-ph/9802116 · pith_short_12: CA7VTT6ZNCED · pith_short_16: CA7VTT6ZNCED2BW6 · pith_short_8: CA7VTT6Z

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/CA7VTT6ZNCED2BW6CVRU4Z7R3Q \
  | 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: 103f59cfd968883d06de15634e67f1dc0f09f5f9e91d318b7b035f5037c5af9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1089d5c5b6dbd4e6348e175baf1a0ba7b88a2ebff60b7a9b6a7d7c053190b9bd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-10T14:29:20Z",
    "title_canon_sha256": "76abf6c4c8808b1479f04ea8e43a19a306933bd22a94b366d3d52bc71a7577a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802116",
    "kind": "arxiv",
    "version": 2
  }
}