Pith Number

pith:MHJ3MW6M

pith:2022:MHJ3MW6M54O6CW2S5LEA6OOVBX

not attested not anchored not stored refs pending

Active nematic flows on curved surfaces

Jacques Prost, Jean-Fran\c{c}ois Rupprecht, Samuel Bell, Shao-Zhen Lin

arxiv:2203.05644 v1 · 2022-03-10 · physics.bio-ph · 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{MHJ3MW6M54O6CW2S5LEA6OOVBX}

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	2026-07-05T04:59:20.366542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d3b65bccef1de15b52eac80f39d50dd8fae3cbc96f8d14fe61171bf5ec8105

Aliases

arxiv: 2203.05644 · arxiv_version: 2203.05644v1 · doi: 10.48550/arxiv.2203.05644 · pith_short_12: MHJ3MW6M54O6 · pith_short_16: MHJ3MW6M54O6CW2S · pith_short_8: MHJ3MW6M

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/MHJ3MW6M54O6CW2S5LEA6OOVBX \
  | 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: 61d3b65bccef1de15b52eac80f39d50dd8fae3cbc96f8d14fe61171bf5ec8105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b928d5e47b0ca1982e99d6d0d8ba8bec4215a992726b8acaac1d586cd9b091",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2022-03-10T21:12:21Z",
    "title_canon_sha256": "abe7eb1dd24ad17dffb36a825a9ab35ad4f0fb82976bd166c88b3ef486f65eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.05644",
    "kind": "arxiv",
    "version": 1
  }
}