Pith Number

pith:RUF4GF4O

pith:2015:RUF4GF4ODHQYVNVQDVVBXK2JHI

not attested not anchored not stored refs pending

Spatial model predicts dispersal and cell turnover cause reduced intra-tumor heterogeneity

Bartlomiej Waclaw, Bert Vogelstein, Ivana Bozic, Martin A. Nowak, Meredith E. Pittman, Ralph H. Hruban

arxiv:1503.07116 v1 · 2015-03-24 · q-bio.PE · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUF4GF4ODHQYVNVQDVVBXK2JHI}

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	2026-05-18T01:20:46.762249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d0bc3178e19e18ab6b01d6a1bab493a21649be1b28a20df4fa8adcd619c1002

Aliases

arxiv: 1503.07116 · arxiv_version: 1503.07116v1 · doi: 10.48550/arxiv.1503.07116 · pith_short_12: RUF4GF4ODHQY · pith_short_16: RUF4GF4ODHQYVNVQ · pith_short_8: RUF4GF4O

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/RUF4GF4ODHQYVNVQDVVBXK2JHI \
  | 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: 8d0bc3178e19e18ab6b01d6a1bab493a21649be1b28a20df4fa8adcd619c1002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e574423724edd36944665e944765e4e0cd4a870a92dafd9d39fbd48f3ac8db",
    "cross_cats_sorted": [
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-03-24T17:22:54Z",
    "title_canon_sha256": "4be85e9d8f5f2af18786e2ff9786927d34a9a23889484e527e967c4e06069eb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07116",
    "kind": "arxiv",
    "version": 1
  }
}