Pith Number

pith:IVOKKBFE

pith:2013:IVOKKBFERASDROYCYAECQVFI5M

not attested not anchored not stored refs pending

Quandle Colorings of Knots and Applications

Masahico Saito, Mohamed Elhamdadi, Timothy Yeatman, W. Edwin Clark

arxiv:1312.3307 v2 · 2013-12-11 · 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{IVOKKBFERASDROYCYAECQVFI5M}

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	2026-05-18T00:59:28.188828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

455ca504a4882438bb02c0082854a8eb2d69b1c7b5e9aeb303031f9bbaade82d

Aliases

arxiv: 1312.3307 · arxiv_version: 1312.3307v2 · doi: 10.48550/arxiv.1312.3307 · pith_short_12: IVOKKBFERASD · pith_short_16: IVOKKBFERASDROYC · pith_short_8: IVOKKBFE

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/IVOKKBFERASDROYCYAECQVFI5M \
  | 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: 455ca504a4882438bb02c0082854a8eb2d69b1c7b5e9aeb303031f9bbaade82d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2824963bd98a7cfe22647f219ed2999be9deab403f6854f2927f8230ead53565",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-12-11T20:25:07Z",
    "title_canon_sha256": "a4dc501bdd5ecdab7f4d88c03fc79bea7b3f2ca8caf370b0b5d0cef201d8086a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3307",
    "kind": "arxiv",
    "version": 2
  }
}