Pith Number

pith:NVOPVOAQ

pith:2017:NVOPVOAQUDNQTWWB44BLFZUAKB

not attested not anchored not stored refs pending

Nematic liquid crystals on curved surfaces - a thin film limit

Axel Voigt, Hartmut L\"owen, Ingo Nitschke, Michael Nestler, Simon Praetorius

arxiv:1709.09436 v1 · 2017-09-27 · cond-mat.soft · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVOPVOAQUDNQTWWB44BLFZUAKB}

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	2026-05-18T00:11:50.456796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d5cfab810a0db09dac1e702b2e680504884c1c11e8ca2ad242e7db7d63890ea

Aliases

arxiv: 1709.09436 · arxiv_version: 1709.09436v1 · doi: 10.48550/arxiv.1709.09436 · pith_short_12: NVOPVOAQUDNQ · pith_short_16: NVOPVOAQUDNQTWWB · pith_short_8: NVOPVOAQ

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/NVOPVOAQUDNQTWWB44BLFZUAKB \
  | 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: 6d5cfab810a0db09dac1e702b2e680504884c1c11e8ca2ad242e7db7d63890ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70a2fed0182b79e5cc174f3b56c6084249434e8c0c3a956ae166f6f4b7db061f",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2017-09-27T10:35:38Z",
    "title_canon_sha256": "efdff2cac7d17fc84295903c70753d9b922ba099893e5fe3340ec3c9a10cd423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09436",
    "kind": "arxiv",
    "version": 1
  }
}