Pith Number

pith:ZTA7ACZM

pith:2013:ZTA7ACZMQNK7A5NFB4CE66SK4S

not attested not anchored not stored refs pending

Reconstructing a B-cell clonal lineage. I. Statistical inference of unobserved ancestors

Thomas B. Kepler

arxiv:1303.0424 v1 · 2013-03-02 · q-bio.QM · q-bio.GN · 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{ZTA7ACZMQNK7A5NFB4CE66SK4S}

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	2026-05-18T03:31:56.114819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc1f00b2c8355f075a50f044f7a4ae49322391b1b4f2c93931576c1cd8013cd

Aliases

arxiv: 1303.0424 · arxiv_version: 1303.0424v1 · doi: 10.48550/arxiv.1303.0424 · pith_short_12: ZTA7ACZMQNK7 · pith_short_16: ZTA7ACZMQNK7A5NF · pith_short_8: ZTA7ACZM

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/ZTA7ACZMQNK7A5NFB4CE66SK4S \
  | 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: ccc1f00b2c8355f075a50f044f7a4ae49322391b1b4f2c93931576c1cd8013cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64cc7b40c9c95127ba272b5abc748cd48c228e231edba8160812af0acb5045c5",
    "cross_cats_sorted": [
      "q-bio.GN",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2013-03-02T19:58:10Z",
    "title_canon_sha256": "66131b02f4932e84d4c09aa29a3b9e9f955396909d8a0bf2fbca0cb5f9421e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0424",
    "kind": "arxiv",
    "version": 1
  }
}