Pith Number

pith:GFGQ6VEG

pith:2015:GFGQ6VEGYWW3MI3PHUVGKGYZDS

not attested not anchored not stored refs pending

Embeddings in the Fell and Wijsman topologies

Lubica Hola

arxiv:1508.06441 v2 · 2015-08-26 · 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{GFGQ6VEGYWW3MI3PHUVGKGYZDS}

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	2026-05-18T01:34:41.448194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314d0f5486c5adb6236f3d2a651b191c85da692f409d49c3a294d0865d1906e9

Aliases

arxiv: 1508.06441 · arxiv_version: 1508.06441v2 · doi: 10.48550/arxiv.1508.06441 · pith_short_12: GFGQ6VEGYWW3 · pith_short_16: GFGQ6VEGYWW3MI3P · pith_short_8: GFGQ6VEG

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/GFGQ6VEGYWW3MI3PHUVGKGYZDS \
  | 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: 314d0f5486c5adb6236f3d2a651b191c85da692f409d49c3a294d0865d1906e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450ac488530e7532df1212843dc31cfbf3c86fa05712bc27ef847b822b5dca30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-08-26T10:49:48Z",
    "title_canon_sha256": "667bcc8cb0df3eb590ac17b06a5c3bdc8f3bea2c7f32cf4948bdf12d2d8bae88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06441",
    "kind": "arxiv",
    "version": 2
  }
}