Pith Number

pith:WRX2BW7K

pith:2014:WRX2BW7KXN67US2YTTLM3UMCOU

not attested not anchored not stored refs pending

Geometrical guidance and trapping transition of human sperm cells

A. Guidobaldi, A. V. Silhanek, C. A. Condat, I. Berdakin, L. Giojalas, V. I. Marconi, V. V. Moshchalkov, Y. Jeyaram

arxiv:1401.2551 v1 · 2014-01-11 · 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{WRX2BW7KXN67US2YTTLM3UMCOU}

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	2026-05-18T01:45:26.456945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b46fa0dbeabb7dfa4b589cd6cdd1827524df3cfd6ccd604bec331c937bd48cd1

Aliases

arxiv: 1401.2551 · arxiv_version: 1401.2551v1 · doi: 10.48550/arxiv.1401.2551 · pith_short_12: WRX2BW7KXN67 · pith_short_16: WRX2BW7KXN67US2Y · pith_short_8: WRX2BW7K

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/WRX2BW7KXN67US2YTTLM3UMCOU \
  | 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: b46fa0dbeabb7dfa4b589cd6cdd1827524df3cfd6ccd604bec331c937bd48cd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c65f97d3d029bc80dd43138b2aec840b5bbbc57401cc3051b68b10c04aedca",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2014-01-11T17:49:36Z",
    "title_canon_sha256": "4523bc020589c1c152ca6e154a9cd3433d1c48e42336e315501533c76efd82e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2551",
    "kind": "arxiv",
    "version": 1
  }
}