Pith Number

pith:QW5NEUXK

pith:2011:QW5NEUXKQHSKYNZWBHTF2QZTJ4

not attested not anchored not stored refs pending

Trends, noise and reentrant long-term persistence in Arctic sea ice

J. S. Wettlaufer, S. Agarwal, W. Moon

arxiv:1112.0294 v3 · 2011-12-01 · physics.ao-ph · physics.geo-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{QW5NEUXKQHSKYNZWBHTF2QZTJ4}

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	2026-05-18T03:56:22.254776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85bad252ea81e4ac373609e65d43334f15c787cf261ebe5b0824be0d80bfe89e

Aliases

arxiv: 1112.0294 · arxiv_version: 1112.0294v3 · doi: 10.48550/arxiv.1112.0294 · pith_short_12: QW5NEUXKQHSK · pith_short_16: QW5NEUXKQHSKYNZW · pith_short_8: QW5NEUXK

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/QW5NEUXKQHSKYNZWBHTF2QZTJ4 \
  | 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: 85bad252ea81e4ac373609e65d43334f15c787cf261ebe5b0824be0d80bfe89e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78c8c5ee01b81e3774f5bb79f5f76cd3577acf448a9496586e3a13ed848bd8bd",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2011-12-01T20:28:20Z",
    "title_canon_sha256": "8af9a496a560cdad9276f7813bd54032700783466fcdc055ea416caa8d34a5bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0294",
    "kind": "arxiv",
    "version": 3
  }
}