Pith Number

pith:H7QNU3GO

pith:2013:H7QNU3GOZ4SVFZHXGFUX6TFVTK

not attested not anchored not stored refs pending

A new formulation of protein evolutionary models that account for structural constraints

Andrew J. Bordner, Hans D. Mittelmann

arxiv:1308.4342 v2 · 2013-08-20 · q-bio.PE · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7QNU3GOZ4SVFZHXGFUX6TFVTK}

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	2026-05-18T03:05:37.664435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fe0da6ccecf2552e4f731697f4cb59aa6862c41270b8a0f64d2e000c4b1714f

Aliases

arxiv: 1308.4342 · arxiv_version: 1308.4342v2 · doi: 10.48550/arxiv.1308.4342 · pith_short_12: H7QNU3GOZ4SV · pith_short_16: H7QNU3GOZ4SVFZHX · pith_short_8: H7QNU3GO

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/H7QNU3GOZ4SVFZHXGFUX6TFVTK \
  | 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: 3fe0da6ccecf2552e4f731697f4cb59aa6862c41270b8a0f64d2e000c4b1714f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a23bd7beedd20aa2b994826dc4077b5cd9219e6a54e292f7348b0f421959bb0e",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-08-20T16:11:26Z",
    "title_canon_sha256": "163004a98a4a07fb4b0ecd108fda600bd3ee1678b2cc7dacbcf5a3983af13be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4342",
    "kind": "arxiv",
    "version": 2
  }
}