Pith Number

pith:IF743AKY

pith:1998:IF743AKYIUXK3OIXLGRXYYOP37

not attested not anchored not stored refs pending

Numerical simulations of protostellar encounters I. Star-disc encounters

A.P. Whitworth, A.S. Bhattal, H.M.J. Boffin, N. Francis, S.J. Watkins

arxiv:astro-ph/9805349 v1 · 1998-05-28 · 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{IF743AKYIUXK3OIXLGRXYYOP37}

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	2026-05-18T01:40:14.129430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

417fcd8158452eadb91759a37c61cfdfcfe014c74cd487c8f8e024ee56218759

Aliases

arxiv: astro-ph/9805349 · arxiv_version: astro-ph/9805349v1 · doi: 10.48550/arxiv.astro-ph/9805349 · pith_short_12: IF743AKYIUXK · pith_short_16: IF743AKYIUXK3OIX · pith_short_8: IF743AKY

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/IF743AKYIUXK3OIXLGRXYYOP37 \
  | 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: 417fcd8158452eadb91759a37c61cfdfcfe014c74cd487c8f8e024ee56218759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda846f3dfb27d58dd11321d5da06ebd595cb13da94cff3f3680307c8c12277e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-28T14:54:59Z",
    "title_canon_sha256": "35fa5da38ce410f8bb0feba0dd665a7ae54fbd13cd18111eb2ad953f82eb081a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805349",
    "kind": "arxiv",
    "version": 1
  }
}