Pith Number

pith:ITY7N3JH

pith:2017:ITY7N3JHK4Z7ROK44N6QMTUS3N

not attested not anchored not stored refs pending

A negative answer to a conjecture arising in the study of selection-migration models in population genetics

Elisa Sovrano

arxiv:1701.07762 v1 · 2017-01-26 · math.AP · 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{ITY7N3JHK4Z7ROK44N6QMTUS3N}

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	2026-05-18T00:52:02.645426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f1f6ed275733f8b95ce37d064e92db6be87970f20ca5b98520fe38cf16a18e

Aliases

arxiv: 1701.07762 · arxiv_version: 1701.07762v1 · doi: 10.48550/arxiv.1701.07762 · pith_short_12: ITY7N3JHK4Z7 · pith_short_16: ITY7N3JHK4Z7ROK4 · pith_short_8: ITY7N3JH

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/ITY7N3JHK4Z7ROK44N6QMTUS3N \
  | 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: 44f1f6ed275733f8b95ce37d064e92db6be87970f20ca5b98520fe38cf16a18e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36330cea769e84f535d95ca0940dc7056a4f2c842b8efcfe1674b6ef0f4f4b74",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-26T16:23:58Z",
    "title_canon_sha256": "49bf1989b6a140df5421bf88cbc53da31cc6b1d4af6ee0e20f83cedde1faefa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07762",
    "kind": "arxiv",
    "version": 1
  }
}