Pith Number

pith:N63I7FUG

pith:2012:N63I7FUGEXYEZFQE3IXPHVHRE2

not attested not anchored not stored refs pending

Universal protein fluctuations in populations of microorganisms

Albert Libchaber, Chih-kuan Tung, Elad Stolovicki, Erez Braun, Hanna Salman, Lindsay Moore, Naama Brenner, Noa Elyahu

arxiv:1204.5591 v2 · 2012-04-25 · physics.bio-ph · cond-mat.soft · cond-mat.stat-mech · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N63I7FUGEXYEZFQE3IXPHVHRE2}

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	2026-05-18T03:56:45.896347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb68f968625f04c9604da2ef3d4f126ae364887dfbab8ff1f58426618cbe10d

Aliases

arxiv: 1204.5591 · arxiv_version: 1204.5591v2 · doi: 10.48550/arxiv.1204.5591 · pith_short_12: N63I7FUGEXYE · pith_short_16: N63I7FUGEXYEZFQE · pith_short_8: N63I7FUG

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/N63I7FUGEXYEZFQE3IXPHVHRE2 \
  | 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: 6fb68f968625f04c9604da2ef3d4f126ae364887dfbab8ff1f58426618cbe10d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa92a8bff3ea89d988b8ce97ae3d33ee742d5e2b3f1f70b66f07fcaed41b96d",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "cond-mat.stat-mech",
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-04-25T08:54:58Z",
    "title_canon_sha256": "441ada9728a124ac844b405ec57420d155ec3f035d627edf9918872abfc672a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5591",
    "kind": "arxiv",
    "version": 2
  }
}