Pith Number

pith:WDXZ56TJ

pith:2025:WDXZ56TJINAAJAI5N226DMHEZT

not attested not anchored not stored refs pending

Topological defects in polar active matter

Anna L{\aa}ng, Emma L{\aa}ng, Luiza Angheluta, Stig Ove B{\o}e

arxiv:2504.03284 v1 · 2025-04-04 · cond-mat.soft · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDXZ56TJINAAJAI5N226DMHEZT}

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	2026-05-26T02:03:49.789980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ef9efa69434004811d6eb5e1b0e4cccab77054864d3c11105fb0215124dfc3

Aliases

arxiv: 2504.03284 · arxiv_version: 2504.03284v1 · doi: 10.48550/arxiv.2504.03284 · pith_short_12: WDXZ56TJINAA · pith_short_16: WDXZ56TJINAAJAI5 · pith_short_8: WDXZ56TJ

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/WDXZ56TJINAAJAI5N226DMHEZT \
  | 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: b0ef9efa69434004811d6eb5e1b0e4cccab77054864d3c11105fb0215124dfc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409b82e18cbce662b50626c3b6dfdd95a033066f736074cb1525eded36933f2d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2025-04-04T09:09:17Z",
    "title_canon_sha256": "c2ff6436a4bc2de795a5dfc02d50bf5a10751f83fdf8a90df7da3b64547668c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03284",
    "kind": "arxiv",
    "version": 1
  }
}