Pith Number

pith:NGUS35NO

pith:2009:NGUS35NOFQEXUSLCA2VQUBZDP2

not attested not anchored not stored refs pending

There exists a topologically mixing IET

Jon Chaika

arxiv:0910.3986 v2 · 2009-10-21 · 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{NGUS35NOFQEXUSLCA2VQUBZDP2}

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	2026-05-18T04:24:36.374991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a92df5ae2c097a496206ab0a07237e8076ccc7a48b2c44c48c608db04e62f2

Aliases

arxiv: 0910.3986 · arxiv_version: 0910.3986v2 · doi: 10.48550/arxiv.0910.3986 · pith_short_12: NGUS35NOFQEX · pith_short_16: NGUS35NOFQEXUSLC · pith_short_8: NGUS35NO

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/NGUS35NOFQEXUSLCA2VQUBZDP2 \
  | 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: 69a92df5ae2c097a496206ab0a07237e8076ccc7a48b2c44c48c608db04e62f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d8c4d8913935b63b4d69a6efb32337d07ea6813f80c080a5920949fa9ad75f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-10-21T01:36:57Z",
    "title_canon_sha256": "9326dc69b332d97c12877855ad5493ce5cef3f8cceb5214d97d915a288423214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3986",
    "kind": "arxiv",
    "version": 2
  }
}