Pith Number

pith:K4CANWPC

pith:2021:K4CANWPCICQ2C4EVUANTGGIV6G

not attested not anchored not stored refs pending

Properties of glued knots

Shane D'Mello, Vinay Gaba

arxiv:2107.12823 v1 · 2021-07-27 · 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{K4CANWPCICQ2C4EVUANTGGIV6G}

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	2026-07-05T03:01:01.096192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570406d9e240a1a17095a01b331915f1a968aad73bd8e04af84dd246b48e84f8

Aliases

arxiv: 2107.12823 · arxiv_version: 2107.12823v1 · doi: 10.48550/arxiv.2107.12823 · pith_short_12: K4CANWPCICQ2 · pith_short_16: K4CANWPCICQ2C4EV · pith_short_8: K4CANWPC

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/K4CANWPCICQ2C4EVUANTGGIV6G \
  | 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: 570406d9e240a1a17095a01b331915f1a968aad73bd8e04af84dd246b48e84f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21091ca66a7eaa2c89c17874cc524b6bd7c4cd2e7a25893ccc78a9bb2cefafe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2021-07-27T13:43:04Z",
    "title_canon_sha256": "c4cd95f7d380c55f4662f7d79e1b51377846c990c376659aa6bee59beadb522c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12823",
    "kind": "arxiv",
    "version": 1
  }
}