Pith Number

pith:Y6BGMXUU

pith:2014:Y6BGMXUU7AKD2FVA4GWH4RLIWX

not attested not anchored not stored refs pending

Fast pseudolikelihood maximization for direct-coupling analysis of protein structure from many homologous amino-acid sequences

Erik Aurell, Magnus Ekeberg, Tuomo Hartonen

arxiv:1401.4832 v1 · 2014-01-20 · q-bio.QM · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6BGMXUU7AKD2FVA4GWH4RLIWX}

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	2026-05-18T02:42:53.852732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c782665e94f8143d16a0e1ac7e4568b5de224968966b8a2afa709013a4f215f5

Aliases

arxiv: 1401.4832 · arxiv_version: 1401.4832v1 · doi: 10.48550/arxiv.1401.4832 · pith_short_12: Y6BGMXUU7AKD · pith_short_16: Y6BGMXUU7AKD2FVA · pith_short_8: Y6BGMXUU

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/Y6BGMXUU7AKD2FVA4GWH4RLIWX \
  | 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: c782665e94f8143d16a0e1ac7e4568b5de224968966b8a2afa709013a4f215f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c63a09d589714d57116129d194cb30f8720d371756ff99237e8279f26ee236",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2014-01-20T09:15:01Z",
    "title_canon_sha256": "2d8cbb165e31cbc09335aa064b6593d68e9d1e444c37506150a6d8bbe1248f07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4832",
    "kind": "arxiv",
    "version": 1
  }
}