Pith Number

pith:2KPJQWR7

pith:2017:2KPJQWR7ZURG2YY6NNLX3F44WG

not attested not anchored not stored refs pending

A robustly transitive diffeomorphism of Kan's type

Cheng cheng, Shaobo Gan, Yi Shi

arxiv:1701.05282 v1 · 2017-01-19 · 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{2KPJQWR7ZURG2YY6NNLX3F44WG}

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	2026-05-18T00:52:30.348290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29e985a3fcd226d631e6b577d979cb1b805633c077724baa48164e346b3f1ca

Aliases

arxiv: 1701.05282 · arxiv_version: 1701.05282v1 · doi: 10.48550/arxiv.1701.05282 · pith_short_12: 2KPJQWR7ZURG · pith_short_16: 2KPJQWR7ZURG2YY6 · pith_short_8: 2KPJQWR7

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/2KPJQWR7ZURG2YY6NNLX3F44WG \
  | 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: d29e985a3fcd226d631e6b577d979cb1b805633c077724baa48164e346b3f1ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69a9217d8534bea7284b44b06382c451a575515d122c94769a23b87cfa2f9e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-01-19T02:10:49Z",
    "title_canon_sha256": "9f10d935711cdc977fde076b32986c711ed3595c3a1ca2d35888e054dbed20ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05282",
    "kind": "arxiv",
    "version": 1
  }
}