Pith Number

pith:L6CIG46E

pith:2013:L6CIG46EMIH567ALSNGE3GQANT

not attested not anchored not stored refs pending

Connections on Cahen-Wallach spaces

Frank Klinker

arxiv:1308.6223 v3 · 2013-08-28 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6CIG46EMIH567ALSNGE3GQANT}

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	2026-05-18T02:38:17.090878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f848373c4620fdf7c0b934c4d9a006cca9244137b67274a2255322ad35edd41

Aliases

arxiv: 1308.6223 · arxiv_version: 1308.6223v3 · doi: 10.48550/arxiv.1308.6223 · pith_short_12: L6CIG46EMIH5 · pith_short_16: L6CIG46EMIH567AL · pith_short_8: L6CIG46E

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/L6CIG46EMIH567ALSNGE3GQANT \
  | 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: 5f848373c4620fdf7c0b934c4d9a006cca9244137b67274a2255322ad35edd41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab9146ff7eab14c0c2573078314882414a55dbbd14db3b3dfdf12f83e5f49eae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-08-28T17:16:42Z",
    "title_canon_sha256": "2396d211ff95be0749a1a487fb2984322b7c80ba7b6d247ed0ea6a8c84a683ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6223",
    "kind": "arxiv",
    "version": 3
  }
}