Pith Number

pith:SPD2ZIJN

pith:2018:SPD2ZIJNNQSLCWOOVB2AEYLLMT

not attested not anchored not stored refs pending

Effective Landau theory of ferronematics

Grigorii Zarubin, Markus Bier, Siegfried Dietrich

arxiv:1805.07074 v1 · 2018-05-18 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPD2ZIJNNQSLCWOOVB2AEYLLMT}

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	2026-05-18T00:06:50.691959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c7aca12d6c24b159cea87402616b64cea36af57bf5ea3742a8fd52e1af9c6f

Aliases

arxiv: 1805.07074 · arxiv_version: 1805.07074v1 · doi: 10.48550/arxiv.1805.07074 · pith_short_12: SPD2ZIJNNQSL · pith_short_16: SPD2ZIJNNQSLCWOO · pith_short_8: SPD2ZIJN

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/SPD2ZIJNNQSLCWOOVB2AEYLLMT \
  | 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: 93c7aca12d6c24b159cea87402616b64cea36af57bf5ea3742a8fd52e1af9c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "decf764f9978ff70b8eeb25087dbc13f81ed318fea2a11c519c8087e5d17378c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-05-18T07:07:53Z",
    "title_canon_sha256": "a06843fe1ccdc92ec4e6829e925ed72ac8ed7cb0276e9ea792d48fe7a5b21363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07074",
    "kind": "arxiv",
    "version": 1
  }
}