Pith Number

pith:3U7X4RAF

pith:2026:3U7X4RAFM3CAFNK3YV55RTIY7W

not attested not anchored not stored refs pending

Topological localisation and motility of active knots

Andrea Bonato, Davide Marenduzzo, Enzo Orlandini, Giuseppe Negro

arxiv:2603.15591 v2 · 2026-03-16 · 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{3U7X4RAFM3CAFNK3YV55RTIY7W}

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	2026-06-29T01:14:30.263461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3f7e440566c402b55bc57bd8cd18fd9b86b108d273891d0c7dd7bd95db5ffa

Aliases

arxiv: 2603.15591 · arxiv_version: 2603.15591v2 · doi: 10.48550/arxiv.2603.15591 · pith_short_12: 3U7X4RAFM3CA · pith_short_16: 3U7X4RAFM3CAFNK3 · pith_short_8: 3U7X4RAF

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/3U7X4RAFM3CAFNK3YV55RTIY7W \
  | 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: dd3f7e440566c402b55bc57bd8cd18fd9b86b108d273891d0c7dd7bd95db5ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2307c29f87a2fbab9345ffb402907a1e4e938b43a8b78c33e9c46dc1b02f3a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2026-03-16T17:49:15Z",
    "title_canon_sha256": "f5cb55119910e6e341100189aa667824a9a87f16250918768e8543fc45a2bf5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.15591",
    "kind": "arxiv",
    "version": 2
  }
}