Pith Number

pith:FQIB7V3R

pith:2018:FQIB7V3RUWSF5SGX7FQJCXSQ3Z

not attested not anchored not stored refs pending

Anomaly Detection in Paleoclimate Records using Permutation Entropy

Elizabeth Bradley, James W. C. White, Joshua Garland, Michael Neuder, Tyler R. Jones, Valerie Morris

arxiv:1811.01272 v2 · 2018-11-03 · physics.data-an · cs.IT · math.IT · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQIB7V3RUWSF5SGX7FQJCXSQ3Z}

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	2026-05-17T23:57:37.742286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c101fd771a5a45ec8d7f960915e50de6a172595fc735a24c84b5de8b0d15759

Aliases

arxiv: 1811.01272 · arxiv_version: 1811.01272v2 · doi: 10.48550/arxiv.1811.01272 · pith_short_12: FQIB7V3RUWSF · pith_short_16: FQIB7V3RUWSF5SGX · pith_short_8: FQIB7V3R

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/FQIB7V3RUWSF5SGX7FQJCXSQ3Z \
  | 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: 2c101fd771a5a45ec8d7f960915e50de6a172595fc735a24c84b5de8b0d15759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "483f3b19942700ffed2feab7290f436e1fdf99be12bc1bd7379c964830cd2d7a",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2018-11-03T19:56:20Z",
    "title_canon_sha256": "cc54322fd1d0eabcb1e8105096852b8e84089ce2e51a583eb9db36ab0f646380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01272",
    "kind": "arxiv",
    "version": 2
  }
}