Pith Number

pith:7OWYFMLI

pith:2012:7OWYFMLIZNUIRFC27G2QUAE4DJ

not attested not anchored not stored refs pending

Selections, games and metrisability of manifolds

David Gauld

arxiv:1212.0589 v1 · 2012-12-03 · 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{7OWYFMLIZNUIRFC27G2QUAE4DJ}

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	2026-05-18T03:39:15.671159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbad82b168cb6888945af9b50a009c1a79a528c34074bb01e045d9623f4975d6

Aliases

arxiv: 1212.0589 · arxiv_version: 1212.0589v1 · doi: 10.48550/arxiv.1212.0589 · pith_short_12: 7OWYFMLIZNUI · pith_short_16: 7OWYFMLIZNUIRFC2 · pith_short_8: 7OWYFMLI

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/7OWYFMLIZNUIRFC27G2QUAE4DJ \
  | 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: fbad82b168cb6888945af9b50a009c1a79a528c34074bb01e045d9623f4975d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04fa6345a804086155f55c040aec4cc289fbaf807b9a7ec58ec0ba01f3432fd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2012-12-03T23:56:21Z",
    "title_canon_sha256": "b04b524a71f9c3e9b7952f47e70433b01b8a6eefb6b9f95fddbfcf7e47976be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0589",
    "kind": "arxiv",
    "version": 1
  }
}