Pith Number

pith:SSERUYAL

pith:2015:SSERUYALTNO2GCE5XMJMR2VJO3

not attested not anchored not stored refs pending

Balanced presentations of the trivial group and four-dimensional geometry

Alexander Nabutovsky, Boris Lishak

arxiv:1504.05927 v1 · 2015-04-22 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSERUYALTNO2GCE5XMJMR2VJO3}

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	2026-05-18T01:19:00.482323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94891a600b9b5da3089dbb12c8eaa976d55ba7e153bd97575a020a5c22365ba9

Aliases

arxiv: 1504.05927 · arxiv_version: 1504.05927v1 · doi: 10.48550/arxiv.1504.05927 · pith_short_12: SSERUYALTNO2 · pith_short_16: SSERUYALTNO2GCE5 · pith_short_8: SSERUYAL

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/SSERUYALTNO2GCE5XMJMR2VJO3 \
  | 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: 94891a600b9b5da3089dbb12c8eaa976d55ba7e153bd97575a020a5c22365ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c38ae1c743eda7485a34d22291b261ecc7cb53de516b1e01370fa7efd49b369f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-04-22T19:09:12Z",
    "title_canon_sha256": "c60e5f9478b181641dc16aadf79904e2a3cb8d147fa830e3323790aeb7aa288b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05927",
    "kind": "arxiv",
    "version": 1
  }
}