pith. sign in
Pith Number

pith:2GBDUKI3

pith:2014:2GBDUKI3BHRT6NW76E3O736NFM
not attested not anchored not stored refs pending

Free spaces over some proper metric spaces

Aude Dalet

arxiv:1404.3939 v3 · 2014-04-15 · math.FA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2GBDUKI3BHRT6NW76E3O736NFM}

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 2026-05-18T02:31:11.795010Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d1823a291b09e33f36dff136efefcd2b3fb611805cffd6b6ec3335d2e42016b6

Aliases

arxiv: 1404.3939 · arxiv_version: 1404.3939v3 · doi: 10.48550/arxiv.1404.3939 · pith_short_12: 2GBDUKI3BHRT · pith_short_16: 2GBDUKI3BHRT6NW7 · pith_short_8: 2GBDUKI3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2GBDUKI3BHRT6NW76E3O736NFM \
  | 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: d1823a291b09e33f36dff136efefcd2b3fb611805cffd6b6ec3335d2e42016b6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eb34056342a26172c708c3da734b397debd933c6801a372985dd4faae7d9c665",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-04-15T14:50:01Z",
    "title_canon_sha256": "c727c1125b28cd5adc54ec4cf6344947eead4ad0b8ac6939ea2e4abcf325343f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3939",
    "kind": "arxiv",
    "version": 3
  }
}