Pith Number

pith:CKDHUHPK

pith:2014:CKDHUHPKRPYWC5XD42VUKRSXMU

not attested not anchored not stored refs pending

The theory of the rise of sap in trees: some historical and conceptual remarks

Harvey R. Brown

arxiv:1404.3066 v1 · 2014-04-11 · physics.hist-ph · 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{CKDHUHPKRPYWC5XD42VUKRSXMU}

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	2026-05-18T02:54:22.578569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12867a1dea8bf16176e3e6ab454657652cc93b3aaf0970941da311abb8c2e519

Aliases

arxiv: 1404.3066 · arxiv_version: 1404.3066v1 · doi: 10.48550/arxiv.1404.3066 · pith_short_12: CKDHUHPKRPYW · pith_short_16: CKDHUHPKRPYWC5XD · pith_short_8: CKDHUHPK

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/CKDHUHPKRPYWC5XD42VUKRSXMU \
  | 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: 12867a1dea8bf16176e3e6ab454657652cc93b3aaf0970941da311abb8c2e519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "590f616f6abfc954fb8bbab908812d3f18f85dcfc8dc040a7fea4be76b4a9f2d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-04-11T10:38:12Z",
    "title_canon_sha256": "d8458c9f35cea0327d839e381aa938e00085c5a36c41fd72ec054bc4e62ae517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3066",
    "kind": "arxiv",
    "version": 1
  }
}