Pith Number

pith:LQQHW5LO

pith:2014:LQQHW5LO5T23OCA3JSID6VRPTB

not attested not anchored not stored refs pending

Quasicircle boundaries and exotic almost-isometries

Benjamin Schmidt, Jean-Francois Lafont, Wouter van Limbeek

arxiv:1409.8607 v1 · 2014-09-30 · math.GT · math.DG · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQQHW5LO5T23OCA3JSID6VRPTB}

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	2026-05-18T00:23:57.566097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c207b756eecf5b7081b4c903f562f986a0e30c569802baadb932893055c914e

Aliases

arxiv: 1409.8607 · arxiv_version: 1409.8607v1 · doi: 10.48550/arxiv.1409.8607 · pith_short_12: LQQHW5LO5T23 · pith_short_16: LQQHW5LO5T23OCA3 · pith_short_8: LQQHW5LO

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/LQQHW5LO5T23OCA3JSID6VRPTB \
  | 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: 5c207b756eecf5b7081b4c903f562f986a0e30c569802baadb932893055c914e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5b69bb2cd92a17da985f8ff31caf376eae8b998309e28b17229a934f664dcf",
    "cross_cats_sorted": [
      "math.DG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-09-30T15:52:39Z",
    "title_canon_sha256": "55db96e98def8171a31e4002063cb49ab01ebc82689d88c4825a0db75b5d122a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8607",
    "kind": "arxiv",
    "version": 1
  }
}