Pith Number

pith:AI37GUAY

pith:2007:AI37GUAYW2CURLSMGXKWRR7R2H

not attested not anchored not stored refs pending

Intermediate rank and property RD

Mikael Pichot, Sylvain Barr\'e

arxiv:0710.1514 v2 · 2007-10-08 · math.MG · math.GR · math.KT · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AI37GUAYW2CURLSMGXKWRR7R2H}

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	2026-05-18T03:41:11.379377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0237f35018b68548ae4c35d568c7f1d1d6568768cc5b4db65e2f5c7d08cb8ecc

Aliases

arxiv: 0710.1514 · arxiv_version: 0710.1514v2 · doi: 10.48550/arxiv.0710.1514 · pith_short_12: AI37GUAYW2CU · pith_short_16: AI37GUAYW2CURLSM · pith_short_8: AI37GUAY

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/AI37GUAYW2CURLSMGXKWRR7R2H \
  | 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: 0237f35018b68548ae4c35d568c7f1d1d6568768cc5b4db65e2f5c7d08cb8ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0620983618078386fcb29855adca82f05d1a2f38b734789bba4a6223eb3fa8",
    "cross_cats_sorted": [
      "math.GR",
      "math.KT",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2007-10-08T11:28:45Z",
    "title_canon_sha256": "5bfe47f81d25066051bd8a4a91fb12bc44e9cf77258f21179543efcd07244873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.1514",
    "kind": "arxiv",
    "version": 2
  }
}