Pith Number

pith:NHUDIZQH

pith:2013:NHUDIZQHGFPQASOLF4QYZPYEDT

not attested not anchored not stored refs pending

On the paradox of pesticides

Y. Charles Li, Yipeng Yang

arxiv:1303.2681 v1 · 2013-03-11 · q-bio.PE · nlin.CD · 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{NHUDIZQHGFPQASOLF4QYZPYEDT}

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	2026-05-18T03:30:55.982178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69e8346607315f0049cb2f218cbf041ce3699b9a50fd537af3e738af425632de

Aliases

arxiv: 1303.2681 · arxiv_version: 1303.2681v1 · doi: 10.48550/arxiv.1303.2681 · pith_short_12: NHUDIZQHGFPQ · pith_short_16: NHUDIZQHGFPQASOL · pith_short_8: NHUDIZQH

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/NHUDIZQHGFPQASOLF4QYZPYEDT \
  | 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: 69e8346607315f0049cb2f218cbf041ce3699b9a50fd537af3e738af425632de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "890ab03c800044d638d59db26b8fe96fd917e024de4dfb81d85e2971984231f2",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-03-11T20:39:51Z",
    "title_canon_sha256": "362fec4da2df0f6373c2915c808ede0be61d1417fe769fc1c30524a3237f7440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2681",
    "kind": "arxiv",
    "version": 1
  }
}