Pith Number

pith:VE2V36RI

pith:2009:VE2V36RI2MPQSBRINZKMM3LMMA

not attested not anchored not stored refs pending

Distance Maps and Plant Development #2: Facilitated Transport and Uniform Gradient

Pavel Dimitrov, Steven W. Zucker

arxiv:0905.4662 v1 · 2009-05-28 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VE2V36RI2MPQSBRINZKMM3LMMA}

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	2026-07-04T15:42:59.082216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9355dfa28d31f0906286e54c66d6c6005d8bbf6a0bc4c166920002f4a1d74bd

Aliases

arxiv: 0905.4662 · arxiv_version: 0905.4662v1 · doi: 10.48550/arxiv.0905.4662 · pith_short_12: VE2V36RI2MPQ · pith_short_16: VE2V36RI2MPQSBRI · pith_short_8: VE2V36RI

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/VE2V36RI2MPQSBRINZKMM3LMMA \
  | 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: a9355dfa28d31f0906286e54c66d6c6005d8bbf6a0bc4c166920002f4a1d74bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa9087d55b38dff0aa737f40e6aaac12227524e69f2a0e06ac0c63b421ba29d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2009-05-28T14:27:02Z",
    "title_canon_sha256": "10b4c8766e79f28f871894ad759ffa5813a72b8233e162d813da25503291bb0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4662",
    "kind": "arxiv",
    "version": 1
  }
}