Pith Number

pith:Y6JPB5S4

pith:2014:Y6JPB5S4O3DI2Q4QULYQL26SIO

not attested not anchored not stored refs pending

On the interplay of speciation and dispersal: An evolutionary food web model in space

Barbara Drossel, Eva Marie Weiel, Korinna T. Allhoff, Tobias Rogge

arxiv:1409.3065 v1 · 2014-09-10 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6JPB5S4O3DI2Q4QULYQL26SIO}

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	2026-05-18T00:18:04.449605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c792f0f65c76c68d4390a2f105ebd24389fb48ab6a8d840e5f23bd71b0c32d8d

Aliases

arxiv: 1409.3065 · arxiv_version: 1409.3065v1 · doi: 10.48550/arxiv.1409.3065 · pith_short_12: Y6JPB5S4O3DI · pith_short_16: Y6JPB5S4O3DI2Q4Q · pith_short_8: Y6JPB5S4

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/Y6JPB5S4O3DI2Q4QULYQL26SIO \
  | 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: c792f0f65c76c68d4390a2f105ebd24389fb48ab6a8d840e5f23bd71b0c32d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9023bc5d2b5b6b5b473c002d921e28fe4e4ca5816ded1ea2b79394c0360724e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-09-10T13:42:07Z",
    "title_canon_sha256": "26ccbd63ccbb1c55f0fae108a29837151c1d7c2d46de025531b2c6badac1e20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3065",
    "kind": "arxiv",
    "version": 1
  }
}