Pith Number

pith:7FZKMKTJ

pith:2011:7FZKMKTJJ5JOSB2V73CZCQREIP

not attested not anchored not stored refs pending

Consequences of catastrophic disturbances on population persistence and adaptations

Michele Bellingeri, Simone Vincenzi

arxiv:1108.4950 v1 · 2011-08-24 · 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{7FZKMKTJJ5JOSB2V73CZCQREIP}

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	2026-05-18T04:14:45.744904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f972a62a694f52e90755fec591422443eb658ab324e4d8fc7bbd6ebd293dece2

Aliases

arxiv: 1108.4950 · arxiv_version: 1108.4950v1 · doi: 10.48550/arxiv.1108.4950 · pith_short_12: 7FZKMKTJJ5JO · pith_short_16: 7FZKMKTJJ5JOSB2V · pith_short_8: 7FZKMKTJ

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/7FZKMKTJJ5JOSB2V73CZCQREIP \
  | 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: f972a62a694f52e90755fec591422443eb658ab324e4d8fc7bbd6ebd293dece2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb1b1acf955f8917db4b7852e4bf0f305c04b02500febd904ee9890b08d94de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-08-24T20:49:29Z",
    "title_canon_sha256": "25e786845248cf38f764f0e4d4178980bb3cefdde781c5a6b141ee186aa22f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4950",
    "kind": "arxiv",
    "version": 1
  }
}