Pith Number

pith:HJGV2I6Y

pith:2021:HJGV2I6YQPPTXWBLGIADA3LY3Y

not attested not anchored not stored refs pending

Flow around topological defects in active nematic films

Jonas R{\o}nning, Luiza Angheluta, Mark J. Bowick, M. Cristina Marchetti

arxiv:2111.08537 v2 · 2021-11-16 · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJGV2I6YQPPTXWBLGIADA3LY3Y}

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	2026-07-05T03:51:57.663807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a4d5d23d883df3bd82b3200306d78de336c876796a477d96a86dec955da5904

Aliases

arxiv: 2111.08537 · arxiv_version: 2111.08537v2 · doi: 10.48550/arxiv.2111.08537 · pith_short_12: HJGV2I6YQPPT · pith_short_16: HJGV2I6YQPPTXWBL · pith_short_8: HJGV2I6Y

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/HJGV2I6YQPPTXWBLGIADA3LY3Y \
  | 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: 3a4d5d23d883df3bd82b3200306d78de336c876796a477d96a86dec955da5904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a207e5afc3511a414e2bce6db08be8ccba19581713af94a32b4ddefeba83b09",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2021-11-16T15:06:53Z",
    "title_canon_sha256": "b8ce5538e9e9e8a1e206edc1499fe157c9ffddc4495e2ceb76b5847b9cb6ce83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08537",
    "kind": "arxiv",
    "version": 2
  }
}