Pith Number

pith:HL6JHUTG

pith:2009:HL6JHUTGYBU2C3LFTDQ6P5VHM4

not attested not anchored not stored refs pending

On the affine group of a normal homogeneous manifold

Silvio Reggiani

arxiv:0906.1802 v3 · 2009-06-09 · 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{HL6JHUTGYBU2C3LFTDQ6P5VHM4}

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	2026-05-18T03:38:33.305023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3afc93d266c069a16d6598e1e7f6a76730f48df54762cdf987f8de9d45feccc6

Aliases

arxiv: 0906.1802 · arxiv_version: 0906.1802v3 · doi: 10.48550/arxiv.0906.1802 · pith_short_12: HL6JHUTGYBU2 · pith_short_16: HL6JHUTGYBU2C3LF · pith_short_8: HL6JHUTG

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/HL6JHUTGYBU2C3LFTDQ6P5VHM4 \
  | 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: 3afc93d266c069a16d6598e1e7f6a76730f48df54762cdf987f8de9d45feccc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c529b9599eeac053a158656c9b019e21dce03755eceab23bf2cec3390bfc3103",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-06-09T19:07:08Z",
    "title_canon_sha256": "2c2b88136a4eac0aa86b03658eb393a6eacf8d07b1a854c4fdcc3b037af13d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1802",
    "kind": "arxiv",
    "version": 3
  }
}