Pith Number

pith:CI2FENZM

pith:2015:CI2FENZM3O4WULFUYYFOMDGEEW

not attested not anchored not stored refs pending

Decaying and non-decaying badly approximable numbers

David Simmons, Lior Fishman, Ryan Broderick

arxiv:1508.03734 v2 · 2015-08-15 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CI2FENZM3O4WULFUYYFOMDGEEW}

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	2026-05-18T01:16:49.394041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

123452372cdbb96a2cb4c60ae60cc425b6384b3e472e55d21384d7ed982a119c

Aliases

arxiv: 1508.03734 · arxiv_version: 1508.03734v2 · doi: 10.48550/arxiv.1508.03734 · pith_short_12: CI2FENZM3O4W · pith_short_16: CI2FENZM3O4WULFU · pith_short_8: CI2FENZM

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/CI2FENZM3O4WULFUYYFOMDGEEW \
  | 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: 123452372cdbb96a2cb4c60ae60cc425b6384b3e472e55d21384d7ed982a119c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fccedc638ebfebc97501a2a93ad7033203de803241c56629fd2d58887cc02144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-08-15T13:40:51Z",
    "title_canon_sha256": "76629c9315c74309f59940d63f8ddd81446b6404cc17393cfeb938888280317f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03734",
    "kind": "arxiv",
    "version": 2
  }
}