Pith Number

pith:T3JRMUXH

pith:2019:T3JRMUXH4ASEB3ZAJ2YPMWSWNA

not attested not anchored not stored refs pending

Sharp estimate on the inner distance in planar domains

Danka Lu\v{c}i\'c, Enrico Pasqualetto, Tapio Rajala

arxiv:1905.07988 v1 · 2019-05-20 · math.MG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3JRMUXH4ASEB3ZAJ2YPMWSWNA}

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	2026-05-17T23:45:47.945616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed31652e7e02440ef204eb0f65a5668367a54f4c9e3da5d17783a5eacc021d5

Aliases

arxiv: 1905.07988 · arxiv_version: 1905.07988v1 · doi: 10.48550/arxiv.1905.07988 · pith_short_12: T3JRMUXH4ASE · pith_short_16: T3JRMUXH4ASEB3ZA · pith_short_8: T3JRMUXH

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/T3JRMUXH4ASEB3ZAJ2YPMWSWNA \
  | 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: 9ed31652e7e02440ef204eb0f65a5668367a54f4c9e3da5d17783a5eacc021d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "947d8900fdb9ff806d3c56d76ef6acfe0dbd9b772bdffd90a70f8bb03414b793",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-05-20T10:53:27Z",
    "title_canon_sha256": "a656a5419211c5efb25dd1dbb59fce45427d6021d1a7a0c52f090bd92ddcc1af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07988",
    "kind": "arxiv",
    "version": 1
  }
}