Pith Number

pith:EZSKR7PF

pith:2010:EZSKR7PFJCAULMB4WCHHOOZYQC

not attested not anchored not stored refs pending

A note on amphicheiral alternating links

Louis H. Kauffman, Slavik V. Jablan

arxiv:1005.3612 v4 · 2010-05-20 · 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{EZSKR7PFJCAULMB4WCHHOOZYQC}

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	2026-05-18T02:23:56.457599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2664a8fde5488145b03cb08e773b3880b70e3ea63e2f323c40aa678ae89ca989

Aliases

arxiv: 1005.3612 · arxiv_version: 1005.3612v4 · doi: 10.48550/arxiv.1005.3612 · pith_short_12: EZSKR7PFJCAU · pith_short_16: EZSKR7PFJCAULMB4 · pith_short_8: EZSKR7PF

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/EZSKR7PFJCAULMB4WCHHOOZYQC \
  | 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: 2664a8fde5488145b03cb08e773b3880b70e3ea63e2f323c40aa678ae89ca989

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ecdd5affe9b85781d557f1646953d0aebf82b2c87262855d4de09097da6bcae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-05-20T07:09:04Z",
    "title_canon_sha256": "d09bfa5e25ab1429836cbc9ed7f4135d09c37e4586f9f75d33a973504b20625b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.3612",
    "kind": "arxiv",
    "version": 4
  }
}