Pith Number

pith:WNTDQU52

pith:2014:WNTDQU52R4RYT5X4ODDSRPQJS7

not attested not anchored not stored refs pending

Analysis of the nutrient uptake by roots in fixed volume of soil as predicted by fixed boundary, moving boundary and architectural models

Domingo A. Tarzia, Jorge L. Blengino, Juan C. Reginato

arxiv:1501.02232 v1 · 2014-12-22 · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNTDQU52R4RYT5X4ODDSRPQJS7}

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	2026-05-18T02:29:44.587482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3663853ba8f2389f6fc70c728be0997d8d9c8bc5238e1a528707bc3eac41440

Aliases

arxiv: 1501.02232 · arxiv_version: 1501.02232v1 · doi: 10.48550/arxiv.1501.02232 · pith_short_12: WNTDQU52R4RY · pith_short_16: WNTDQU52R4RYT5X4 · pith_short_8: WNTDQU52

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/WNTDQU52R4RYT5X4ODDSRPQJS7 \
  | 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: b3663853ba8f2389f6fc70c728be0997d8d9c8bc5238e1a528707bc3eac41440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2145233773a3d606bbdce40810de4129d3546df2a880293d39f472b5ca792cc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2014-12-22T18:28:33Z",
    "title_canon_sha256": "7d701a4cc55eeadbecf1c3a71e6f58dfdb5561aefa36c8dee259fea404d6d7b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02232",
    "kind": "arxiv",
    "version": 1
  }
}