Pith Number

pith:QPO4V7UK

pith:2016:QPO4V7UKFGSCCY2AC5DNK53JQ7

not attested not anchored not stored refs pending

Likelihood-based inference of B-cell clonal families

Duncan K. Ralph, Frederick A. Matsen IV

arxiv:1603.08127 v2 · 2016-03-26 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPO4V7UKFGSCCY2AC5DNK53JQ7}

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	2026-05-18T00:51:17.755499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ddcafe8a29a42163401746d5776987c02839a825712b9cc5ddf27991292b11

Aliases

arxiv: 1603.08127 · arxiv_version: 1603.08127v2 · doi: 10.48550/arxiv.1603.08127 · pith_short_12: QPO4V7UKFGSC · pith_short_16: QPO4V7UKFGSCCY2A · pith_short_8: QPO4V7UK

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/QPO4V7UKFGSCCY2AC5DNK53JQ7 \
  | 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: 83ddcafe8a29a42163401746d5776987c02839a825712b9cc5ddf27991292b11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d25bf7c66a9d5dd57b416b8af4495939f0a16f4b34bea98c57d6022832cec81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-03-26T17:52:13Z",
    "title_canon_sha256": "c9c0886fa198d37b3293ee52ea0014dc95b5419a646aaa30452f7dfae7dc2870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08127",
    "kind": "arxiv",
    "version": 2
  }
}