Pith Number

pith:V6USXEMO

pith:2014:V6USXEMOTWADPLCUJCOEM7UDFH

not attested not anchored not stored refs pending

MRFalign: Protein Homology Detection through Alignment of Markov Random Fields

Jianzhu Ma, Jinbo Xu, Sheng Wang, Zhiyong Wang

arxiv:1401.2668 v2 · 2014-01-12 · q-bio.QM · cs.CE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6USXEMOTWADPLCUJCOEM7UDFH}

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	2026-05-18T01:45:26.373196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa92b918e9d8037ac54489c467e8329e521f68e8ac3acb4063a4df58679ddf1

Aliases

arxiv: 1401.2668 · arxiv_version: 1401.2668v2 · doi: 10.48550/arxiv.1401.2668 · pith_short_12: V6USXEMOTWAD · pith_short_16: V6USXEMOTWADPLCU · pith_short_8: V6USXEMO

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/V6USXEMOTWADPLCUJCOEM7UDFH \
  | 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: afa92b918e9d8037ac54489c467e8329e521f68e8ac3acb4063a4df58679ddf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0960bc7305f54e0be498b891942e4753a6a3eeec49b4a979467d519400b4390c",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2014-01-12T20:41:08Z",
    "title_canon_sha256": "cc95d22c7cfd702a5353ea7909812211e18453bbcfea14f894a31c30c7d520eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2668",
    "kind": "arxiv",
    "version": 2
  }
}