Pith Number

pith:73M4R6MK

pith:2014:73M4R6MKOMX6EMV2NEUNKXR3WH

not attested not anchored not stored refs pending

How do digits emerge? - Mathematical Models of Limb Development

Dagmar Iber, Philipp Germann

arxiv:1401.7567 v1 · 2014-01-29 · 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{73M4R6MKOMX6EMV2NEUNKXR3WH}

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	2026-05-18T03:00:40.420146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed9c8f98a732fe232ba6928d55e3bb1f27edf66ef8d7c3190be304d995f670f

Aliases

arxiv: 1401.7567 · arxiv_version: 1401.7567v1 · doi: 10.48550/arxiv.1401.7567 · pith_short_12: 73M4R6MKOMX6 · pith_short_16: 73M4R6MKOMX6EMV2 · pith_short_8: 73M4R6MK

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/73M4R6MKOMX6EMV2NEUNKXR3WH \
  | 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: fed9c8f98a732fe232ba6928d55e3bb1f27edf66ef8d7c3190be304d995f670f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bad01cadea746d4cc61643eda38ffcd1fae62ce8e2dcf9123e1633800ed1a62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2014-01-29T16:06:11Z",
    "title_canon_sha256": "d8d4e0d6f7924e4ab5a64c86e69ac269352a690eff1c3efd37cc25fffb7348a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7567",
    "kind": "arxiv",
    "version": 1
  }
}