Pith Number

pith:NGMC4MWT

pith:2012:NGMC4MWT5R7EQWVND24CO3GGLM

not attested not anchored not stored refs pending

On Murayama's theorem on extensor properties of G-spaces of given orbit types

Du\v{s}an Repov\v{s}, Sergei Ageev

arxiv:1203.1541 v1 · 2012-03-07 · math.GT · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGMC4MWT5R7EQWVND24CO3GGLM}

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	2026-05-18T04:00:38.479849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69982e32d3ec7e485aad1eb8276cc65b307f3dbc2ad7298d8efecd251d2485b9

Aliases

arxiv: 1203.1541 · arxiv_version: 1203.1541v1 · doi: 10.48550/arxiv.1203.1541 · pith_short_12: NGMC4MWT5R7E · pith_short_16: NGMC4MWT5R7EQWVN · pith_short_8: NGMC4MWT

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/NGMC4MWT5R7EQWVND24CO3GGLM \
  | 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: 69982e32d3ec7e485aad1eb8276cc65b307f3dbc2ad7298d8efecd251d2485b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef8112e6f417d171a31d9419041495fadba82848cee8796a1d9b56c7f482b6f7",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-03-07T17:08:39Z",
    "title_canon_sha256": "6e7e6bdba03c89bab147be64d6f3bc0ea8acfbee4c87898c348cc09845e9aa1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1541",
    "kind": "arxiv",
    "version": 1
  }
}