Pith Number

pith:GKRJMLV7

pith:2008:GKRJMLV7BLF4P4Y2VAHSF5H6YH

not attested not anchored not stored refs pending

Population extinction in a fluctuating environment

Alex Kamenev, Baruch Meerson, Boris Shklovskii

arxiv:0809.2950 v1 · 2008-09-17 · q-bio.PE · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKRJMLV7BLF4P4Y2VAHSF5H6YH}

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	2026-05-18T02:15:34.431220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32a2962ebf0acbc7f31aa80f22f4fec1c719978e348dc54921fe403df4fe4b30

Aliases

arxiv: 0809.2950 · arxiv_version: 0809.2950v1 · doi: 10.48550/arxiv.0809.2950 · pith_short_12: GKRJMLV7BLF4 · pith_short_16: GKRJMLV7BLF4P4Y2 · pith_short_8: GKRJMLV7

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/GKRJMLV7BLF4P4Y2VAHSF5H6YH \
  | 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: 32a2962ebf0acbc7f31aa80f22f4fec1c719978e348dc54921fe403df4fe4b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7b437332fb55f48a16780c6995213f250607e221f87e8511dbccd2978ff66e6",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2008-09-17T17:35:01Z",
    "title_canon_sha256": "6b64046720f6438ca6f63ef4be6595b71d5dfa46ed428601f4e6f13eea3b6f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2950",
    "kind": "arxiv",
    "version": 1
  }
}