Pith Number

pith:NGB2KABP

pith:2013:NGB2KABPSHEQIGSOMEUIJ5POTK

not attested not anchored not stored refs pending

On classification of quandles of cyclic type

Hiroshi Tamaru, Koshiro Wada, Seiichi Kamada

arxiv:1312.6917 v1 · 2013-12-25 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGB2KABPSHEQIGSOMEUIJ5POTK}

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	2026-05-18T03:03:46.469272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6983a5002f91c9041a4e612884f5ee9aafed6ef5dc7d5d1e46a09033d7c7fe58

Aliases

arxiv: 1312.6917 · arxiv_version: 1312.6917v1 · doi: 10.48550/arxiv.1312.6917 · pith_short_12: NGB2KABPSHEQ · pith_short_16: NGB2KABPSHEQIGSO · pith_short_8: NGB2KABP

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/NGB2KABPSHEQIGSOMEUIJ5POTK \
  | 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: 6983a5002f91c9041a4e612884f5ee9aafed6ef5dc7d5d1e46a09033d7c7fe58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e720f0791e76203abfe3d3673a34ccfea4d5fbf39e2d8eb8a77436e17dbbbb1",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-12-25T03:55:44Z",
    "title_canon_sha256": "7c1ae01325e779ae7ed91fe1a739e4d3521f3640502281de7e324b33d64e83c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6917",
    "kind": "arxiv",
    "version": 1
  }
}