Pith Number

pith:FDTEQ5ZD

pith:2020:FDTEQ5ZDRUBVVQK5TBN4ASAFUW

not attested not anchored not stored refs pending

Leader-cell-driven epithelial sheet fingering

Herbert Levine, Yanjun Yang

arxiv:2001.11663 v2 · 2020-01-31 · physics.bio-ph · q-bio.CB · 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{FDTEQ5ZDRUBVVQK5TBN4ASAFUW}

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	2026-07-05T01:00:49.941436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e64877238d035ac15d985bc04805a5af8dc58e31f991a20655a5ef189232d2

Aliases

arxiv: 2001.11663 · arxiv_version: 2001.11663v2 · doi: 10.48550/arxiv.2001.11663 · pith_short_12: FDTEQ5ZDRUBV · pith_short_16: FDTEQ5ZDRUBVVQK5 · pith_short_8: FDTEQ5ZD

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/FDTEQ5ZDRUBVVQK5TBN4ASAFUW \
  | 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: 28e64877238d035ac15d985bc04805a5af8dc58e31f991a20655a5ef189232d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "132aa03994166a1c9a4959715bc039f01dbaffd75ddbe53301a2c70dc0d4649f",
    "cross_cats_sorted": [
      "q-bio.CB",
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2020-01-31T05:23:23Z",
    "title_canon_sha256": "68f92137698657b25e974cc5c45f802f45b8efdd86caf4151a5ef260ea720ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11663",
    "kind": "arxiv",
    "version": 2
  }
}