Pith Number

pith:SZH4XRBV

pith:2013:SZH4XRBVSU3WMSC66FTK3WE5ZT

not attested not anchored not stored refs pending

Microtubule dynamic instability: the role of cracks between protofilaments

Chunlei Li, Holly V. Goodson, Jun Li, Mark S. Alber

arxiv:1312.2221 v1 · 2013-12-08 · q-bio.BM · physics.bio-ph · q-bio.CB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZH4XRBVSU3WMSC66FTK3WE5ZT}

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	2026-05-18T02:54:39.323793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

964fcbc435953766485ef166add89dccfa4ab7439dcc8cb0ac064e631fa05f19

Aliases

arxiv: 1312.2221 · arxiv_version: 1312.2221v1 · doi: 10.48550/arxiv.1312.2221 · pith_short_12: SZH4XRBVSU3W · pith_short_16: SZH4XRBVSU3WMSC6 · pith_short_8: SZH4XRBV

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/SZH4XRBVSU3WMSC66FTK3WE5ZT \
  | 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: 964fcbc435953766485ef166add89dccfa4ab7439dcc8cb0ac064e631fa05f19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf0cb13418c83287ad3bdba528f2395f8dc4f8a1fa7eace625cad3cd82bec576",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.CB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2013-12-08T14:29:26Z",
    "title_canon_sha256": "ffdfd68dd9e7e6a6050df277f11fa641974c3151d1c49977d2b121c7c0f2df33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2221",
    "kind": "arxiv",
    "version": 1
  }
}