Pith Number

pith:7ZSBZ4NU

pith:2015:7ZSBZ4NUWUE6SUX2T5PAGJX5VZ

not attested not anchored not stored refs pending

Role of the Number of Microtubules in Chromosome Segregation during Cell Division

Caterina A. M. La Porta, Stefano Zapperi, Zoe Budrikis, Zsolt Bertalan

arxiv:1512.02015 v1 · 2015-12-07 · physics.bio-ph · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZSBZ4NUWUE6SUX2T5PAGJX5VZ}

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	2026-05-18T01:25:09.120563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe641cf1b4b509e952fa9f5e0326fdae6cff570f4940f0d5ebce92f878ac457a

Aliases

arxiv: 1512.02015 · arxiv_version: 1512.02015v1 · doi: 10.48550/arxiv.1512.02015 · pith_short_12: 7ZSBZ4NUWUE6 · pith_short_16: 7ZSBZ4NUWUE6SUX2 · pith_short_8: 7ZSBZ4NU

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/7ZSBZ4NUWUE6SUX2T5PAGJX5VZ \
  | 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: fe641cf1b4b509e952fa9f5e0326fdae6cff570f4940f0d5ebce92f878ac457a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73817092d430427b0ff9c14050c807b76b346ff719db4977410e9a336f4f25a0",
    "cross_cats_sorted": [
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-12-07T12:36:08Z",
    "title_canon_sha256": "963576e897785ac4b4a39bbcadac586a269d37e2706f782cb4951093a025b4b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02015",
    "kind": "arxiv",
    "version": 1
  }
}