Pith Number

pith:J5HU66PM

pith:2018:J5HU66PMUTE3LWR4LU6SFW24DN

not attested not anchored not stored refs pending

Groups of virtual trefoil and Kishino knots

M. V. Neshchadim, V. G. Bardakov, Yu. A. Mikhalchishina

arxiv:1804.06240 v1 · 2018-04-17 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5HU66PMUTE3LWR4LU6SFW24DN}

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	2026-05-18T00:18:21.266770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f4f4f79eca4c9b5da3c5d3d22db5c1b76af757a3f34e46994f7a0d31d07183d

Aliases

arxiv: 1804.06240 · arxiv_version: 1804.06240v1 · doi: 10.48550/arxiv.1804.06240 · pith_short_12: J5HU66PMUTE3 · pith_short_16: J5HU66PMUTE3LWR4 · pith_short_8: J5HU66PM

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/J5HU66PMUTE3LWR4LU6SFW24DN \
  | 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: 4f4f4f79eca4c9b5da3c5d3d22db5c1b76af757a3f34e46994f7a0d31d07183d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910dec5b5587dbe6764e3b203dbe081e304cdac29689a872e8cfdecd43024c8f",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-04-17T13:43:14Z",
    "title_canon_sha256": "989712672c0db1b62e41662e93497ec85de5ee8912c60eee72f906089944c266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06240",
    "kind": "arxiv",
    "version": 1
  }
}