Pith Number

pith:EIJ77EIX

pith:2009:EIJ77EIXFOCENYXSJZXSUQ6KT5

not attested not anchored not stored refs pending

Principal analytic link theory in homology sphere links

A. Nemethi, A. Pichon, Walter D Neumann

arxiv:0909.1348 v1 · 2009-09-07 · math.AG · 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{EIJ77EIXFOCENYXSJZXSUQ6KT5}

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	2026-05-18T04:16:42.412999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2213ff91172b8446e2f24e6f2a43ca9f51cb0ab037ccb1fc0a422b0a4d9ece16

Aliases

arxiv: 0909.1348 · arxiv_version: 0909.1348v1 · doi: 10.48550/arxiv.0909.1348 · pith_short_12: EIJ77EIXFOCE · pith_short_16: EIJ77EIXFOCENYXS · pith_short_8: EIJ77EIX

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/EIJ77EIXFOCENYXSJZXSUQ6KT5 \
  | 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: 2213ff91172b8446e2f24e6f2a43ca9f51cb0ab037ccb1fc0a422b0a4d9ece16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92885890b58cea24ccab15ce3bc06fdde105d8c336cb5ef46f3c8d4643d0d5a0",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-09-07T21:48:04Z",
    "title_canon_sha256": "26cba3a4268affa5d87264ad1ad49cc6b73776119a9af905d5b9c4259053f526"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1348",
    "kind": "arxiv",
    "version": 1
  }
}