Pith Number

pith:Q5JJZUZI

pith:2013:Q5JJZUZIUBCVE5TNFAJH3B2BKM

not attested not anchored not stored refs pending

A likelihood-based scoring method for peptide identification using mass spectrometry

Jimmy K. Eng, Matthew Stephens, Qunhua Li

arxiv:1301.2467 v1 · 2013-01-11 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5JJZUZIUBCVE5TNFAJH3B2BKM}

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	2026-05-18T03:36:37.847934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87529cd328a04552766d28127d8741530781cba1eb510f4fde1e41446c1e2f63

Aliases

arxiv: 1301.2467 · arxiv_version: 1301.2467v1 · doi: 10.48550/arxiv.1301.2467 · pith_short_12: Q5JJZUZIUBCV · pith_short_16: Q5JJZUZIUBCVE5TN · pith_short_8: Q5JJZUZI

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/Q5JJZUZIUBCVE5TNFAJH3B2BKM \
  | 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: 87529cd328a04552766d28127d8741530781cba1eb510f4fde1e41446c1e2f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba06f976967c13c55cd1ea65f850812cadf97aa2f8b57ea0b148310151514ccb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2013-01-11T12:03:30Z",
    "title_canon_sha256": "19283aeaa69b7ef70160f72a5291c432989f6476ae5062f381459d39b7aa93aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2467",
    "kind": "arxiv",
    "version": 1
  }
}