Pith Number

pith:MKGGSFAG

pith:2013:MKGGSFAGNCOQ2P2SBYAFKQDTLK

not attested not anchored not stored refs pending

Research talk: On the Classification of Generalized Cartan Matrices of Rank 3

Kyriakos Papadopoulos

arxiv:1305.5205 v4 · 2013-05-22 · 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{MKGGSFAGNCOQ2P2SBYAFKQDTLK}

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	2026-05-18T03:18:07.892859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

628c691406689d0d3f520e005540735aa91757059d78519b33a5733331f3d1b4

Aliases

arxiv: 1305.5205 · arxiv_version: 1305.5205v4 · doi: 10.48550/arxiv.1305.5205 · pith_short_12: MKGGSFAGNCOQ · pith_short_16: MKGGSFAGNCOQ2P2S · pith_short_8: MKGGSFAG

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/MKGGSFAGNCOQ2P2SBYAFKQDTLK \
  | 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: 628c691406689d0d3f520e005540735aa91757059d78519b33a5733331f3d1b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "097f84e5cfcc5136642d4f13a5886984572c10cc0218166334247334f5bab0e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-05-22T17:29:05Z",
    "title_canon_sha256": "0578cfd4d512428ef97649c40509729a84ca40a19b72c4de714ea930773bd2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5205",
    "kind": "arxiv",
    "version": 4
  }
}