Pith Number

pith:YPPVJMK7

pith:2003:YPPVJMK7SJDZKN7XG2CN3XZKIV

not attested not anchored not stored refs pending

Cosmological model with macroscopic spin fluid

Adam Krawiec, Marek Szydlowski

arxiv:astro-ph/0305364 v3 · 2003-05-20 · 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{YPPVJMK7SJDZKN7XG2CN3XZKIV}

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

Friedmann cosmology with hyperfluids

Receipt and verification

First computed	2026-07-04T15:13:03.963425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3df54b15f92479537f73684dddf2a454281791d0580f540fe416748ee7d37df

Aliases

arxiv: astro-ph/0305364 · arxiv_version: astro-ph/0305364v3 · doi: 10.48550/arxiv.astro-ph/0305364 · pith_short_12: YPPVJMK7SJDZ · pith_short_16: YPPVJMK7SJDZKN7X · pith_short_8: YPPVJMK7

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/YPPVJMK7SJDZKN7XG2CN3XZKIV \
  | 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: c3df54b15f92479537f73684dddf2a454281791d0580f540fe416748ee7d37df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fdb7a72e3d5ee1d4e455b0be4e419bf540284cddf2f8ec4a953949641d9bf39",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-20T14:29:17Z",
    "title_canon_sha256": "7521da7ca2ad74b7cecf5f743c6a0d9d1509dd51cc5469306adac44c4ae34b3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305364",
    "kind": "arxiv",
    "version": 3
  }
}