Pith Number

pith:7YM7DKFF

pith:2014:7YM7DKFF5E5L2U7JDEDLUQPO35

not attested not anchored not stored refs pending

Homotopy classification of ribbon tubes and welded string links

Benjamin Audoux, Emmanuel Wagner, Jean-Baptiste Meilhan, Paolo Bellingeri

arxiv:1407.0184 v4 · 2014-07-01 · 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{7YM7DKFF5E5L2U7JDEDLUQPO35}

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	2026-05-18T00:31:52.476254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe19f1a8a5e93abd53e91906ba41eedf551d70f52f77a119080fef43007da5d6

Aliases

arxiv: 1407.0184 · arxiv_version: 1407.0184v4 · doi: 10.48550/arxiv.1407.0184 · pith_short_12: 7YM7DKFF5E5L · pith_short_16: 7YM7DKFF5E5L2U7J · pith_short_8: 7YM7DKFF

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/7YM7DKFF5E5L2U7JDEDLUQPO35 \
  | 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: fe19f1a8a5e93abd53e91906ba41eedf551d70f52f77a119080fef43007da5d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1837cff88c6997b1942753422e20688fe4ca8f78597c617a88b9f329354bccd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-07-01T10:56:38Z",
    "title_canon_sha256": "52d1e90cd72dc31d481b480d316a3cecf77a59ae9d1af6b546d49e07574309ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0184",
    "kind": "arxiv",
    "version": 4
  }
}