pith. sign in
Pith Number

pith:3AFLTT36

pith:1998:3AFLTT367GQ6AUZ3BTTWVKFPAA
not attested not anchored not stored refs pending

Numerical simulations of protostellar encounters II. Coplanar disc-disc encounters

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

arxiv:astro-ph/9805350 v1 · 1998-05-28 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3AFLTT367GQ6AUZ3BTTWVKFPAA}

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 2026-05-18T01:40:14.118654Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d80ab9cf7ef9a1e0533b0ce76aa8af001dbe1d78c4620e7a6781b64af043b16a

Aliases

arxiv: astro-ph/9805350 · arxiv_version: astro-ph/9805350v1 · doi: 10.48550/arxiv.astro-ph/9805350 · pith_short_12: 3AFLTT367GQ6 · pith_short_16: 3AFLTT367GQ6AUZ3 · pith_short_8: 3AFLTT36
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3AFLTT367GQ6AUZ3BTTWVKFPAA \
  | 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: d80ab9cf7ef9a1e0533b0ce76aa8af001dbe1d78c4620e7a6781b64af043b16a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "379efad4f4a2023141983ac575a9eb19f98a719647460404f2750248a5999978",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-28T15:44:51Z",
    "title_canon_sha256": "7bb39f1f9e4041a7e83e7b2caac918bd38e6e14c2af926095ee3eae115324110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805350",
    "kind": "arxiv",
    "version": 1
  }
}