Pith Number

pith:F52A6T7I

pith:2013:F52A6T7IIZWSMYFTRCERN543QQ

not attested not anchored not stored refs pending

Survival and extinction results for a patch model with sexual reproduction

Nicolas Lanchier

arxiv:1307.6618 v1 · 2013-07-25 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F52A6T7IIZWSMYFTRCERN543QQ}

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	2026-05-18T03:17:35.797475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f740f4fe8466d2660b3888916f79b84070c70211a866b979ac7c895c450fbb5

Aliases

arxiv: 1307.6618 · arxiv_version: 1307.6618v1 · doi: 10.48550/arxiv.1307.6618 · pith_short_12: F52A6T7IIZWS · pith_short_16: F52A6T7IIZWSMYFT · pith_short_8: F52A6T7I

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/F52A6T7IIZWSMYFTRCERN543QQ \
  | 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: 2f740f4fe8466d2660b3888916f79b84070c70211a866b979ac7c895c450fbb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de604eb95339a117ee2a54a9f5c594a862babeefe7a412cb634f05c5138f09e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-07-25T00:55:15Z",
    "title_canon_sha256": "537dd872a79a2e473bf59ba7596e6f3a45ee25b49009e20b2709accbc03dd965"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6618",
    "kind": "arxiv",
    "version": 1
  }
}