Pith Number

pith:VF2QOZYA

pith:2011:VF2QOZYA6GOA376QOVM2CUYFTJ

not attested not anchored not stored refs pending

The Boltzmann factor, DNA melting, and Brownian ratchets: Topics in an introductory physics sequence for biology and premedical students

S. G. J. Mochrie

arxiv:1105.3908 v1 · 2011-05-19 · q-bio.BM · cond-mat.soft · cond-mat.stat-mech · 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{VF2QOZYA6GOA376QOVM2CUYFTJ}

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	2026-05-18T02:01:54.053697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a975076700f19c0dffd07559a153059a746eda96bdd3081988d7fc4ff27d1ba9

Aliases

arxiv: 1105.3908 · arxiv_version: 1105.3908v1 · doi: 10.48550/arxiv.1105.3908 · pith_short_12: VF2QOZYA6GOA · pith_short_16: VF2QOZYA6GOA376Q · pith_short_8: VF2QOZYA

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/VF2QOZYA6GOA376QOVM2CUYFTJ \
  | 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: a975076700f19c0dffd07559a153059a746eda96bdd3081988d7fc4ff27d1ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11dbf7505cea624024d4a41c00bd391c65ee3e1d10d14ee9ec57e86072725349",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2011-05-19T15:19:41Z",
    "title_canon_sha256": "7ced71b1daeea5ee0c8e500ed8560a4c83d7b7619d2c87421c170b824ae1b9df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3908",
    "kind": "arxiv",
    "version": 1
  }
}