Pith Number

pith:B7WICJUH

pith:2016:B7WICJUHQSQL6FZEHKMJ4PHEFL

not attested not anchored not stored refs pending

Nonhyperbolic step skew-products: Ergodic approximation

K. Gelfert, L. J. Diaz, M. Rams

arxiv:1602.06845 v1 · 2016-02-22 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7WICJUHQSQL6FZEHKMJ4PHEFL}

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	2026-05-18T01:20:13.002684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fec81268784a0bf17243a989e3ce42aea6f167b218a79043442ba9f9ff6c6a8

Aliases

arxiv: 1602.06845 · arxiv_version: 1602.06845v1 · doi: 10.48550/arxiv.1602.06845 · pith_short_12: B7WICJUHQSQL · pith_short_16: B7WICJUHQSQL6FZE · pith_short_8: B7WICJUH

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/B7WICJUHQSQL6FZEHKMJ4PHEFL \
  | 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: 0fec81268784a0bf17243a989e3ce42aea6f167b218a79043442ba9f9ff6c6a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90e7167dbeec7a1a58268dd381985a419134ab1c4f1b122a385e360cbd630f5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-02-22T16:29:29Z",
    "title_canon_sha256": "de0c38946138f76d611355a6b5b89e7d2cc91fb170f924c95eb4dc34c2e73fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06845",
    "kind": "arxiv",
    "version": 1
  }
}