Pith Number

pith:7JATA3WS

pith:2011:7JATA3WS3M3537FE2PKG5XISUT

not attested not anchored not stored refs pending

Strongly non embeddable metric spaces

Anthony Weston, Casey Lynn Kelleher, Daniel Miller, Trenton Osborn

arxiv:1109.5300 v1 · 2011-09-24 · math.FA · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JATA3WS3M3537FE2PKG5XISUT}

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	2026-05-17T23:56:15.866014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa41306ed2db37ddfca4d3d46edd12a4e49412f261b360c316e6ea5cab74bf98

Aliases

arxiv: 1109.5300 · arxiv_version: 1109.5300v1 · doi: 10.48550/arxiv.1109.5300 · pith_short_12: 7JATA3WS3M35 · pith_short_16: 7JATA3WS3M3537FE · pith_short_8: 7JATA3WS

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/7JATA3WS3M3537FE2PKG5XISUT \
  | 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: fa41306ed2db37ddfca4d3d46edd12a4e49412f261b360c316e6ea5cab74bf98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7683e887294aa47edcbdd43ff5e19db0d9629de2bc1806ead79a83d9970a8045",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-09-24T20:07:01Z",
    "title_canon_sha256": "c64c354b9ca15f48faa2299f3570e8f062981b0c07604664c348e2d483498a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5300",
    "kind": "arxiv",
    "version": 1
  }
}