Pith Number

pith:EQ4TQPRD

pith:2015:EQ4TQPRD5XOM7KR6OTQLV4QQA7

not attested not anchored not stored refs pending

Rapid Sequence Identification of Potential Pathogens Using Techniques from Sparse Linear Algebra

Anna Shcherbina, Darrell O. Ricke, Jeremy Kepner, Nelson Chiu, Stephanie Dodson

arxiv:1501.05353 v1 · 2015-01-21 · q-bio.QM · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQ4TQPRD5XOM7KR6OTQLV4QQA7}

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	2026-05-18T00:46:32.248553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2439383e23eddccfaa3e74e0baf21007d03ffdfabd3fb852a9afa34636936e83

Aliases

arxiv: 1501.05353 · arxiv_version: 1501.05353v1 · doi: 10.48550/arxiv.1501.05353 · pith_short_12: EQ4TQPRD5XOM · pith_short_16: EQ4TQPRD5XOM7KR6 · pith_short_8: EQ4TQPRD

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/EQ4TQPRD5XOM7KR6OTQLV4QQA7 \
  | 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: 2439383e23eddccfaa3e74e0baf21007d03ffdfabd3fb852a9afa34636936e83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfedc7fa9c348ca4ebbc6236b1b1910833e8447df4e7e018c696991a61a42e76",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2015-01-21T23:58:38Z",
    "title_canon_sha256": "5dae9bc009ede55ee6dbf0a9b52e4bdad4bb47b6f9b34f85335ea69e2e2dfcce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05353",
    "kind": "arxiv",
    "version": 1
  }
}