Pith Number

pith:HJHQWHOG

pith:2011:HJHQWHOGX674MKBHREIDND5QJD

not attested not anchored not stored refs pending

Topology on locally finite metric spaces

Valerio Capraro

arxiv:1111.0268 v3 · 2011-11-01 · math.MG · cs.CV · cs.DM · math.AT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJHQWHOGX674MKBHREIDND5QJD}

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	2026-05-18T04:08:34.427009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a4f0b1dc6bfbfc628278910368fb048cf7458199ddf61ed32b91ca9ac42022e

Aliases

arxiv: 1111.0268 · arxiv_version: 1111.0268v3 · doi: 10.48550/arxiv.1111.0268 · pith_short_12: HJHQWHOGX674 · pith_short_16: HJHQWHOGX674MKBH · pith_short_8: HJHQWHOG

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/HJHQWHOGX674MKBHREIDND5QJD \
  | 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: 3a4f0b1dc6bfbfc628278910368fb048cf7458199ddf61ed32b91ca9ac42022e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d92dfe098ff5e558ac8af44bef65e1a933e7cbab6806a67b3bc9ffd3488a50",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DM",
      "math.AT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-11-01T18:35:21Z",
    "title_canon_sha256": "f5c121e7f81e44f74a5260bb60cee9315b23df9d5f3cc162b37729413b48b0f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0268",
    "kind": "arxiv",
    "version": 3
  }
}