Pith Number

pith:237NCD64

pith:1999:237NCD64JQSL6XZRA4H6GXX27D

not attested not anchored not stored refs pending

Post Newtonian SPH

(2) Universit\"at Basel, (3) University of Leicester, (4) Universit\"at zu K\"oln), M. B. Davies (3), R. Oechslin (2), S. Ayal (1), S. Rosswog(4) ((1) Hebrew University, T. Piran (1)

arxiv:astro-ph/9910154 v2 · 1999-10-08 · astro-ph · gr-qc · physics.comp-ph · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{237NCD64JQSL6XZRA4H6GXX27D}

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	2026-05-18T04:17:53.587671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6fed10fdc4c24bf5f31070fe35efaf8e32327a0987daf05facd10fc0cc43cc8

Aliases

arxiv: astro-ph/9910154 · arxiv_version: astro-ph/9910154v2 · doi: 10.48550/arxiv.astro-ph/9910154 · pith_short_12: 237NCD64JQSL · pith_short_16: 237NCD64JQSL6XZR · pith_short_8: 237NCD64

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/237NCD64JQSL6XZRA4H6GXX27D \
  | 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: d6fed10fdc4c24bf5f31070fe35efaf8e32327a0987daf05facd10fc0cc43cc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b8ed9cf08988df21ed31bbcab9e06b9b1801bcc82d35f977da42acb4ffb4ee5",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-08T09:37:21Z",
    "title_canon_sha256": "77120dd75135a015efb71fd07b30edf65bf12aba2facb228970a6ce0cc342b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910154",
    "kind": "arxiv",
    "version": 2
  }
}