Pith Number

pith:SOQZKQ2O

pith:2009:SOQZKQ2OVU5JQYMWZ6I54F6QRX

not attested not anchored not stored refs pending

Speciation due to hybrid necrosis in plant-pathogen models

I. Ispolatov, Michael Doebeli

arxiv:0904.3308 v1 · 2009-04-21 · q-bio.PE · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOQZKQ2OVU5JQYMWZ6I54F6QRX}

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	2026-05-18T04:37:34.221708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a195434ead3a986196cf91de17d08deeacab7ae1ad02e0064a14429cbabb24

Aliases

arxiv: 0904.3308 · arxiv_version: 0904.3308v1 · doi: 10.48550/arxiv.0904.3308 · pith_short_12: SOQZKQ2OVU5J · pith_short_16: SOQZKQ2OVU5JQYMW · pith_short_8: SOQZKQ2O

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/SOQZKQ2OVU5JQYMWZ6I54F6QRX \
  | 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: 93a195434ead3a986196cf91de17d08deeacab7ae1ad02e0064a14429cbabb24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772a6f3d7f30741838e37ece28f9667f021e3b5df89cc0b8c2d7099e02fbb3e4",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2009-04-21T18:25:56Z",
    "title_canon_sha256": "d420d471295caf7603526accaba327ec0bf570993f0c352b316b92d444501d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3308",
    "kind": "arxiv",
    "version": 1
  }
}