Pith Number

pith:KLPZ4XDK

pith:2018:KLPZ4XDK5HPLIOASDNDAHZ3NM6

not attested not anchored not stored refs pending

Tree crowns grow into self-similar shapes controlled by gravity and light sensing

B. Moulia, C. Eloy, E. Badel, L. Duchemin

arxiv:1801.00964 v2 · 2018-01-03 · physics.bio-ph · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLPZ4XDK5HPLIOASDNDAHZ3NM6}

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	2026-05-18T00:13:04.846595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52df9e5c6ae9deb438121b4603e76d678af7a3a12b97b188f6e0efdb80d6e52b

Aliases

arxiv: 1801.00964 · arxiv_version: 1801.00964v2 · doi: 10.48550/arxiv.1801.00964 · pith_short_12: KLPZ4XDK5HPL · pith_short_16: KLPZ4XDK5HPLIOAS · pith_short_8: KLPZ4XDK

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/KLPZ4XDK5HPLIOASDNDAHZ3NM6 \
  | 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: 52df9e5c6ae9deb438121b4603e76d678af7a3a12b97b188f6e0efdb80d6e52b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5724d583e4918624741a63149ab59eb3f8c4e50502f64c7631dca7ed6785e22f",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-01-03T11:43:12Z",
    "title_canon_sha256": "e7cbc0ee3867f02f34e0ab7a38b2ad0898333770a8f764d99f973704a6d32bc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00964",
    "kind": "arxiv",
    "version": 2
  }
}