Pith Number

pith:NNNDSUXO

pith:2013:NNNDSUXOEYVARCVMGPJSXO7P7V

not attested not anchored not stored refs pending

Presentations with negative deficiency and largeness

Mariano Zeron-Medina Laris

arxiv:1307.5262 v1 · 2013-07-19 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNNDSUXOEYVARCVMGPJSXO7P7V}

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	2026-05-18T03:18:05.297370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5a3952ee262a088aac33d32bbbeffd7e1e00ea79bf1f4c03e00bc642512c0a

Aliases

arxiv: 1307.5262 · arxiv_version: 1307.5262v1 · doi: 10.48550/arxiv.1307.5262 · pith_short_12: NNNDSUXOEYVA · pith_short_16: NNNDSUXOEYVARCVM · pith_short_8: NNNDSUXO

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/NNNDSUXOEYVARCVMGPJSXO7P7V \
  | 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: 6b5a3952ee262a088aac33d32bbbeffd7e1e00ea79bf1f4c03e00bc642512c0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d5ada5f3f10da926a9fe5c2aede51d22bd5156a63d071c710773d7cd8223f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-07-19T15:50:50Z",
    "title_canon_sha256": "c7432e9b0f06ce15eeab9aae34391ecb9d6414fdb5850ece3386eaf2685c9c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5262",
    "kind": "arxiv",
    "version": 1
  }
}