Pith Number

pith:3F5UKMIP

pith:1998:3F5UKMIPFNBY6O7O2O6S7FFKGC

not attested not anchored not stored refs pending

The circumnuclear disk and ionized gas filaments as remnants of tidally disrupted clouds

Groningen, NL), R.H. Sanders (Kapteyn Astronomical Institute

arxiv:astro-ph/9811374 v1 · 1998-11-24 · 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{3F5UKMIPFNBY6O7O2O6S7FFKGC}

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	2026-07-04T14:16:21.563808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d97b45310f2b438f3beed3bd2f94aa30a9c7c7c4fa8b23c5ff641486f8ac5437

Aliases

arxiv: astro-ph/9811374 · arxiv_version: astro-ph/9811374v1 · doi: 10.48550/arxiv.astro-ph/9811374 · pith_short_12: 3F5UKMIPFNBY · pith_short_16: 3F5UKMIPFNBY6O7O · pith_short_8: 3F5UKMIP

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/3F5UKMIPFNBY6O7O2O6S7FFKGC \
  | 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: d97b45310f2b438f3beed3bd2f94aa30a9c7c7c4fa8b23c5ff641486f8ac5437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdfa5b5ad13279ca2ef88034384124e0891c81b06477fea8330d09138e0e8ec9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-24T10:14:58Z",
    "title_canon_sha256": "84de36280c80a580bf7d48863d275779f38ce52e51c7f14793ab10337b6fe492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811374",
    "kind": "arxiv",
    "version": 1
  }
}