Pith Number

pith:M6KALZCX

pith:1998:M6KALZCX4ORKPTO37OBHORCEVP

not attested not anchored not stored refs pending

Star formation and the interstellar medium in low surface brightness galaxies. III. Why they are blue, thin and poor in molecular gas

Australia), Jeroen P.E. Gerritsen (1), Netherlands (2) School of Physics, University of Melbourne, W.J.G. de Blok (2) ((1) Kapteyn Astronomical Institute

arxiv:astro-ph/9810096 v1 · 1998-10-07 · 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{M6KALZCX4ORKPTO37OBHORCEVP}

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	2026-07-04T14:16:05.265082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

679405e457e3a2a7cddbfb82774444abfe9e4240a528153adb16a4d3764edb26

Aliases

arxiv: astro-ph/9810096 · arxiv_version: astro-ph/9810096v1 · doi: 10.48550/arxiv.astro-ph/9810096 · pith_short_12: M6KALZCX4ORK · pith_short_16: M6KALZCX4ORKPTO3 · pith_short_8: M6KALZCX

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/M6KALZCX4ORKPTO37OBHORCEVP \
  | 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: 679405e457e3a2a7cddbfb82774444abfe9e4240a528153adb16a4d3764edb26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68c0de2835fd0586a22c61f4125fcf1740ae037087a5565938074d9c9b87c9ae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-10-07T03:29:59Z",
    "title_canon_sha256": "c00ca55dbad43e4c5c37cf667e7035ccc99a5c4058510e5209687bc8c39d57b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9810096",
    "kind": "arxiv",
    "version": 1
  }
}