Pith Number

pith:GIMLD3PH

pith:2020:GIMLD3PH5CM3SG4LRKNJW65GFJ

not attested not anchored not stored refs pending

The Dabkowski-Sahi invariant and $4$-moves for links

Akira Yasuhara, Haruko A. Miyazawa, Kodai Wada

arxiv:2005.11793 v1 · 2020-05-24 · 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{GIMLD3PH5CM3SG4LRKNJW65GFJ}

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	2026-07-05T01:05:17.514145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3218b1ede7e899b91b8b8a9a9b7ba62a6c9097eba810de198c744efd6deae15d

Aliases

arxiv: 2005.11793 · arxiv_version: 2005.11793v1 · doi: 10.48550/arxiv.2005.11793 · pith_short_12: GIMLD3PH5CM3 · pith_short_16: GIMLD3PH5CM3SG4L · pith_short_8: GIMLD3PH

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/GIMLD3PH5CM3SG4LRKNJW65GFJ \
  | 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: 3218b1ede7e899b91b8b8a9a9b7ba62a6c9097eba810de198c744efd6deae15d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d844660d2c5a087db6c753e874842fb6239fc0146fe4ceafdaf2ff5cab28d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2020-05-24T16:33:41Z",
    "title_canon_sha256": "1407079d581f114a396d2896cfd80cf118a7c7506e44cda20f8ff1894b39554c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.11793",
    "kind": "arxiv",
    "version": 1
  }
}