Pith Number

pith:4SGDPNQ4

pith:2019:4SGDPNQ4JQMDKS6SWERAG3TFR4

not attested not anchored not stored refs pending

A general model for vegetation patterns including rhizome growth

Dami\`a Gomila, Daniel Ruiz-Reyn\'es, Emilio Hern\'andez-Garc\'ia, Francesca Sch\"onsberg

arxiv:1908.04603 v2 · 2019-08-13 · q-bio.PE · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SGDPNQ4JQMDKS6SWERAG3TFR4}

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	2026-07-05T01:15:06.290951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48c37b61c4c18354bd2b122036e658f3acb5493a8db2b9a36611caf1f4daf44

Aliases

arxiv: 1908.04603 · arxiv_version: 1908.04603v2 · doi: 10.48550/arxiv.1908.04603 · pith_short_12: 4SGDPNQ4JQMD · pith_short_16: 4SGDPNQ4JQMDKS6S · pith_short_8: 4SGDPNQ4

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/4SGDPNQ4JQMDKS6SWERAG3TFR4 \
  | 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: e48c37b61c4c18354bd2b122036e658f3acb5493a8db2b9a36611caf1f4daf44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24514619a3e5d08f2a9488d23078da64e2f6fdb223c27fe2cd508b11ad6fc6a5",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2019-08-13T12:23:29Z",
    "title_canon_sha256": "84084383d2d8bd55fa9f839b968a023641655c0c0c4378a87a479d137e5faf32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04603",
    "kind": "arxiv",
    "version": 2
  }
}