Pith Number

pith:44Y3ZEYW

pith:2013:44Y3ZEYWQLNBLU4XM37B2VLWDP

not attested not anchored not stored refs pending

Flow of a viscous nematic fluid around a sphere

Juan C. del \'Alamo, Manuel G\'omez-Gonz\'alez

arxiv:1309.2345 v1 · 2013-09-09 · physics.flu-dyn · cond-mat.soft · physics.bio-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{44Y3ZEYWQLNBLU4XM37B2VLWDP}

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	2026-05-18T03:13:45.029943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e731bc931682da15d39766fe1d55761bca7c86146a862f5f98b16aa0437bc3c1

Aliases

arxiv: 1309.2345 · arxiv_version: 1309.2345v1 · doi: 10.48550/arxiv.1309.2345 · pith_short_12: 44Y3ZEYWQLNB · pith_short_16: 44Y3ZEYWQLNBLU4X · pith_short_8: 44Y3ZEYW

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/44Y3ZEYWQLNBLU4XM37B2VLWDP \
  | 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: e731bc931682da15d39766fe1d55761bca7c86146a862f5f98b16aa0437bc3c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ffdccced1d74801f129da0975e4b8ebe854c3d963ba5f2a73fbc0376bea057",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-09-09T23:35:58Z",
    "title_canon_sha256": "4fdc70519857fdb909713635cbc25b3d20e8aa0eb17df8bdc6f9fe9be025df2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2345",
    "kind": "arxiv",
    "version": 1
  }
}