Pith Number

pith:LKOEPSHB

pith:2013:LKOEPSHBH4IFT4YTT2H33UYF4R

not attested not anchored not stored refs pending

Early warning signals: The charted and uncharted territories

Alan Hastings, Carl Boettiger, Noam Ross

arxiv:1305.6700 v1 · 2013-05-29 · q-bio.PE · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKOEPSHBH4IFT4YTT2H33UYF4R}

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	2026-05-18T03:22:18.083753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a9c47c8e13f1059f3139e8fbdd305e47e94d531f339a26c9580bf12969628d0

Aliases

arxiv: 1305.6700 · arxiv_version: 1305.6700v1 · doi: 10.48550/arxiv.1305.6700 · pith_short_12: LKOEPSHBH4IF · pith_short_16: LKOEPSHBH4IFT4YT · pith_short_8: LKOEPSHB

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/LKOEPSHBH4IFT4YTT2H33UYF4R \
  | 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: 5a9c47c8e13f1059f3139e8fbdd305e47e94d531f339a26c9580bf12969628d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16f6b4e2231d91628567038561f9995c575508b7b40f74da314ff56508485647",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-05-29T06:00:23Z",
    "title_canon_sha256": "4851f8b7090a3a1f43e0aab040f42142d4f451c2f14bf2a8f9e8f76a4f8fe319"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6700",
    "kind": "arxiv",
    "version": 1
  }
}