Pith Number

pith:BYTQN6PZ

pith:2017:BYTQN6PZHOGJLF5AM3Z7I5NAZU

not attested not anchored not stored refs pending

Knot symmetries and the fundamental quandle

Eva Horvat

arxiv:1707.04824 v1 · 2017-07-16 · 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{BYTQN6PZHOGJLF5AM3Z7I5NAZU}

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	2026-05-18T00:40:12.102047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2706f9f93b8c9597a066f3f475a0cd3e83441a5b83932b0d029189aae157b6

Aliases

arxiv: 1707.04824 · arxiv_version: 1707.04824v1 · doi: 10.48550/arxiv.1707.04824 · pith_short_12: BYTQN6PZHOGJ · pith_short_16: BYTQN6PZHOGJLF5A · pith_short_8: BYTQN6PZ

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/BYTQN6PZHOGJLF5AM3Z7I5NAZU \
  | 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: 0e2706f9f93b8c9597a066f3f475a0cd3e83441a5b83932b0d029189aae157b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ea0854690f6b457be333f74259caffa4678e17a3367d878b97bb3ecdcf4454",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-07-16T05:28:00Z",
    "title_canon_sha256": "29a356e8da60d14781531f95c4c56725ead5b08559c6102aba42193dadb7ba72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04824",
    "kind": "arxiv",
    "version": 1
  }
}