Pith Number

pith:6JXBB6V7

pith:2009:6JXBB6V7XGR3TKT7OGVHN27A4M

not attested not anchored not stored refs pending

Spherical homogeneous spaces of minimal rank

Nicolas Ressayre (I3M)

arxiv:0909.0653 v1 · 2009-09-03 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JXBB6V7XGR3TKT7OGVHN27A4M}

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	2026-05-18T04:40:57.342972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f26e10fabfb9a3b9aa7f71aa76ebe0e31daf1f1a4b275c827f963dbc1048d85a

Aliases

arxiv: 0909.0653 · arxiv_version: 0909.0653v1 · doi: 10.48550/arxiv.0909.0653 · pith_short_12: 6JXBB6V7XGR3 · pith_short_16: 6JXBB6V7XGR3TKT7 · pith_short_8: 6JXBB6V7

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/6JXBB6V7XGR3TKT7OGVHN27A4M \
  | 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: f26e10fabfb9a3b9aa7f71aa76ebe0e31daf1f1a4b275c827f963dbc1048d85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68c2b6ca41818ef929fd73913b5e78d76f7791625938bceaa76cf23d0b732ac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-09-03T13:50:15Z",
    "title_canon_sha256": "2241e13fae6e4412a510f4396b6619f5927a6f30a6865377ca4801342fa21ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0653",
    "kind": "arxiv",
    "version": 1
  }
}