Pith Number

pith:3FIA2BOK

pith:2011:3FIA2BOKAWGU757G52IVV7TY22

not attested not anchored not stored refs pending

A proof of uniqueness of the Gurarii space

Slawomir Solecki, Wieslaw Kubi\'s

arxiv:1110.0903 v2 · 2011-10-05 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FIA2BOKAWGU757G52IVV7TY22}

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	2026-05-18T03:06:34.786295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9500d05ca058d4ff7e6ee915afe78d6a5163044f9a115372e4e5d8935192de4

Aliases

arxiv: 1110.0903 · arxiv_version: 1110.0903v2 · doi: 10.48550/arxiv.1110.0903 · pith_short_12: 3FIA2BOKAWGU · pith_short_16: 3FIA2BOKAWGU757G · pith_short_8: 3FIA2BOK

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/3FIA2BOKAWGU757G52IVV7TY22 \
  | 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: d9500d05ca058d4ff7e6ee915afe78d6a5163044f9a115372e4e5d8935192de4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be252131647254ad67c5dd99cb863ab19bb2891fd9ad431818e05d699ad6d002",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-10-05T06:22:04Z",
    "title_canon_sha256": "f2501947ccacffa998f87e3a03a28716c9536255e5c46bd409b437a9a11197cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0903",
    "kind": "arxiv",
    "version": 2
  }
}