Pith Number

pith:DAIFRXO4

pith:2010:DAIFRXO4K42LEK7W6A4FYSAIWM

not attested not anchored not stored refs pending

Scissor equivalence for torus links

Sebastian Baader

arxiv:1011.0876 v2 · 2010-11-03 · 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{DAIFRXO4K42LEK7W6A4FYSAIWM}

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	2026-05-18T02:58:01.565574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

181058dddc5734b22bf6f0385c4808b30cb215a78611e1a9c2e2ba8ea9ce4251

Aliases

arxiv: 1011.0876 · arxiv_version: 1011.0876v2 · doi: 10.48550/arxiv.1011.0876 · pith_short_12: DAIFRXO4K42L · pith_short_16: DAIFRXO4K42LEK7W · pith_short_8: DAIFRXO4

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/DAIFRXO4K42LEK7W6A4FYSAIWM \
  | 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: 181058dddc5734b22bf6f0385c4808b30cb215a78611e1a9c2e2ba8ea9ce4251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bacb15c9ac3152aa45c62441c15e69e43bf89d2983bfcd9ad96dd5c0845cd76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-11-03T13:34:40Z",
    "title_canon_sha256": "51f798a649402b9605c86cafc23f1513e32385eda13c26d1f2d7e814e9edb4b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0876",
    "kind": "arxiv",
    "version": 2
  }
}