Pith Number

pith:OPFK5BGJ

pith:2015:OPFK5BGJXAX42SS2STSXEJBNHK

not attested not anchored not stored refs pending

NASCUP: Nucleic Acid Sequence Classification by Universal Probability

Byunghan Lee, Gyuwan Kim, Jongsik Chun, Sungroh Yoon, Sunyoung Kwon, Young-Han Kim

arxiv:1511.04944 v2 · 2015-11-16 · q-bio.GN · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPFK5BGJXAX42SS2STSXEJBNHK}

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	2026-05-17T23:59:39.843237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73caae84c9b82fcd4a5a94e572242d3a8c0e1370076d171c40ecdb0f4635c826

Aliases

arxiv: 1511.04944 · arxiv_version: 1511.04944v2 · doi: 10.48550/arxiv.1511.04944 · pith_short_12: OPFK5BGJXAX4 · pith_short_16: OPFK5BGJXAX42SS2 · pith_short_8: OPFK5BGJ

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/OPFK5BGJXAX42SS2STSXEJBNHK \
  | 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: 73caae84c9b82fcd4a5a94e572242d3a8c0e1370076d171c40ecdb0f4635c826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "118232ff19d15f31e9750fdbf11b879eec1bb92ea8ac973541b7c7406477573e",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2015-11-16T13:04:03Z",
    "title_canon_sha256": "fa42b31f9035154360d1839e3f47b3c6b19bd209c1b00351d2a6f3e66245bc15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04944",
    "kind": "arxiv",
    "version": 2
  }
}