Pith Number

pith:444JKH2D

pith:2012:444JKH2DPLJ4LMKYALZBDXTIAC

not attested not anchored not stored refs pending

Generalized Berreman's model of the elastic surface free energy of a nematic liquid crystal on a sawtoothed substrate

J. M. Romero-Enrique, O. A. Rojas-G\'omez

arxiv:1205.2906 v2 · 2012-05-13 · 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{444JKH2DPLJ4LMKYALZBDXTIAC}

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	2026-05-18T03:22:41.254675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e738951f437ad3c5b15802f211de6800a015cbcc030f6e99985154cc63221e58

Aliases

arxiv: 1205.2906 · arxiv_version: 1205.2906v2 · doi: 10.48550/arxiv.1205.2906 · pith_short_12: 444JKH2DPLJ4 · pith_short_16: 444JKH2DPLJ4LMKY · pith_short_8: 444JKH2D

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/444JKH2DPLJ4LMKYALZBDXTIAC \
  | 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: e738951f437ad3c5b15802f211de6800a015cbcc030f6e99985154cc63221e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbdb6e6259b080b154b6b5b9582673c9ff85cfcf421300ea81998289e74ebee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-05-13T19:32:50Z",
    "title_canon_sha256": "cbdb886c92029ff37e21a9cb8a2f56e081d3e817e123fdac4dd689d008c1f722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2906",
    "kind": "arxiv",
    "version": 2
  }
}