Pith Number

pith:Z6PTFKLU

pith:2018:Z6PTFKLUOHSN376OKE4PB3OHUB

not attested not anchored not stored refs pending

Nontrivial Topological Quandles

Boris Tsvelikhovskiy

arxiv:1811.00886 v1 · 2018-10-31 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6PTFKLUOHSN376OKE4PB3OHUB}

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	2026-05-18T00:01:41.840621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9f32a97471e4ddffce5138f0edc7a07966339539376ebcaa526d7858e92d25

Aliases

arxiv: 1811.00886 · arxiv_version: 1811.00886v1 · doi: 10.48550/arxiv.1811.00886 · pith_short_12: Z6PTFKLUOHSN · pith_short_16: Z6PTFKLUOHSN376O · pith_short_8: Z6PTFKLU

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/Z6PTFKLUOHSN376OKE4PB3OHUB \
  | 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: cf9f32a97471e4ddffce5138f0edc7a07966339539376ebcaa526d7858e92d25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fcb3afbea81092417a1f66bbc09bd05fa8ae4044ab73fc04ea76955a62f2c34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-10-31T22:55:03Z",
    "title_canon_sha256": "2f9b366cdc098acefa11d17123133736902a83b294b295f6d2ab6c604a87098e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00886",
    "kind": "arxiv",
    "version": 1
  }
}