Pith Number

pith:ID5EOEMO

pith:2001:ID5EOEMOW7FU6EJZZTKC7GXO6Q

not attested not anchored not stored refs pending

Formation and Fragmentation of Gaseous Spurs in Spiral Galaxies

Eve C. Ostriker (Univ. of Maryland), Woong-Tae Kim

arxiv:astro-ph/0111398 v1 · 2001-11-20 · 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{ID5EOEMOW7FU6EJZZTKC7GXO6Q}

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.

Cited by

1 paper in Pith

The magnetic field of the Milky Way: an observational perspective

Receipt and verification

First computed	2026-07-04T16:24:30.621308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40fa47118eb7cb4f1139ccd42f9aeef415365272e9196a7b78d9db0a8a6c0472

Aliases

arxiv: astro-ph/0111398 · arxiv_version: astro-ph/0111398v1 · doi: 10.48550/arxiv.astro-ph/0111398 · pith_short_12: ID5EOEMOW7FU · pith_short_16: ID5EOEMOW7FU6EJZ · pith_short_8: ID5EOEMO

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/ID5EOEMOW7FU6EJZZTKC7GXO6Q \
  | 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: 40fa47118eb7cb4f1139ccd42f9aeef415365272e9196a7b78d9db0a8a6c0472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7515b290a8d54aba02dae2a331be8b5d9b311936232b209bcf6229709ac43b9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-20T21:08:04Z",
    "title_canon_sha256": "f9213121f925a516a1b8b24df00301fbe163b2420102916cfc90366ab11b95a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111398",
    "kind": "arxiv",
    "version": 1
  }
}