Pith Number

pith:CMR4IYQM

pith:2017:CMR4IYQM37KTXWSDX75YLVB4XE

not attested not anchored not stored refs pending

Rhombic Tilings and Primordia Fronts of Phyllotaxis

Christophe Gole, Pau Atela

arxiv:1701.01361 v1 · 2017-01-04 · q-bio.TO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMR4IYQM37KTXWSDX75YLVB4XE}

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	2026-05-18T00:53:19.816146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1323c4620cdfd53bda43bffb85d43cb935cc9929e14406c84852eb3e1cb05452

Aliases

arxiv: 1701.01361 · arxiv_version: 1701.01361v1 · doi: 10.48550/arxiv.1701.01361 · pith_short_12: CMR4IYQM37KT · pith_short_16: CMR4IYQM37KTXWSD · pith_short_8: CMR4IYQM

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/CMR4IYQM37KTXWSDX75YLVB4XE \
  | 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: 1323c4620cdfd53bda43bffb85d43cb935cc9929e14406c84852eb3e1cb05452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250f52b48bc9142398b6ed9019d534ccbe2ca11b96f5b54fce4cc5fbee563d6e",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2017-01-04T20:19:44Z",
    "title_canon_sha256": "a4e5b57ca65c459c469be8bc69615919556670c0bdb8c062cc9b7bca71bcd164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01361",
    "kind": "arxiv",
    "version": 1
  }
}