Pith Number

pith:ZZ4BCRWP

pith:2001:ZZ4BCRWPXH7VMQGXIGKBX6FKSH

not attested not anchored not stored refs pending

A general, three-dimensional fluid dynamics code for stars in binary systems

Martin E. Beer, Philipp Podsiadlowski (Oxford)

arxiv:astro-ph/0109484 v2 · 2001-09-26 · 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{ZZ4BCRWPXH7VMQGXIGKBX6FKSH}

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	2026-07-04T16:24:11.480723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce781146cfb9ff5640d741941bf8aa91c686ee41f337931c07d2ced876445e69

Aliases

arxiv: astro-ph/0109484 · arxiv_version: astro-ph/0109484v2 · doi: 10.48550/arxiv.astro-ph/0109484 · pith_short_12: ZZ4BCRWPXH7V · pith_short_16: ZZ4BCRWPXH7VMQGX · pith_short_8: ZZ4BCRWP

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/ZZ4BCRWPXH7VMQGXIGKBX6FKSH \
  | 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: ce781146cfb9ff5640d741941bf8aa91c686ee41f337931c07d2ced876445e69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "180ebe2291ee2c0cd4686e6414ca2c1682194ddde6201773210391ee2366196c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-26T16:39:52Z",
    "title_canon_sha256": "071755d1f9133412497531a872e0617858e03d53e34a26502fcc2a3bd6afb75b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109484",
    "kind": "arxiv",
    "version": 2
  }
}