Pith Number

pith:RBQWGWAX

pith:2009:RBQWGWAXR7QD46DD576LXZZDCC

not attested not anchored not stored refs pending

Proper actions on topological groups: Applications to quotient spaces

Sergey A. Antonyan

arxiv:0905.2616 v2 · 2009-05-15 · math.GN · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBQWGWAXR7QD46DD576LXZZDCC}

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	2026-05-18T03:46:32.176493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88616358178fe03e7863effcbbe72310bd4fa9654b68fd48e33c9efbc12768dd

Aliases

arxiv: 0905.2616 · arxiv_version: 0905.2616v2 · doi: 10.48550/arxiv.0905.2616 · pith_short_12: RBQWGWAXR7QD · pith_short_16: RBQWGWAXR7QD46DD · pith_short_8: RBQWGWAX

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/RBQWGWAXR7QD46DD576LXZZDCC \
  | 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: 88616358178fe03e7863effcbbe72310bd4fa9654b68fd48e33c9efbc12768dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eab93ecf964525a8b21276b46c65601cccf089571d1ad8422f1eb8a66cc63b7",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2009-05-15T20:30:08Z",
    "title_canon_sha256": "bcf659350b9337715385c434321c6fe8a8513ab524f78c5dc506837ece8e0af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2616",
    "kind": "arxiv",
    "version": 2
  }
}