Pith Number

pith:MK3UV5TD

pith:2011:MK3UV5TDTT6H4O3S5ENPPYX46T

not attested not anchored not stored refs pending

A generalized version of the Earle-Hamilton fixed point theorem for the Hilbert ball

David Shoikhet

arxiv:1105.2877 v1 · 2011-05-14 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MK3UV5TDTT6H4O3S5ENPPYX46T}

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	2026-05-18T04:22:01.838672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62b74af6639cfc7e3b72e91af7e2fcf4c72ca3dab603e5d6da35d2b7ca4d5aff

Aliases

arxiv: 1105.2877 · arxiv_version: 1105.2877v1 · doi: 10.48550/arxiv.1105.2877 · pith_short_12: MK3UV5TDTT6H · pith_short_16: MK3UV5TDTT6H4O3S · pith_short_8: MK3UV5TD

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/MK3UV5TDTT6H4O3S5ENPPYX46T \
  | 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: 62b74af6639cfc7e3b72e91af7e2fcf4c72ca3dab603e5d6da35d2b7ca4d5aff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc631748cfeca462e27bd4ab810ded50f3b7438cc650e048890cace56e37ada7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-05-14T09:41:23Z",
    "title_canon_sha256": "f2a1414aa18575144e296c217b64ad386eef3ba7ba2b88a928d717a7f3b90ad7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2877",
    "kind": "arxiv",
    "version": 1
  }
}