Pith Number

pith:2KMFLISB

pith:2021:2KMFLISBPSI6O3DU3XP37GDBDV

not attested not anchored not stored refs pending

The Gromov-Hausdorff distance between spheres

Facundo M\'emoli, Sunhyuk Lim, Zane Smith

arxiv:2105.00611 v6 · 2021-05-03 · math.MG · math.AT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KMFLISBPSI6O3DU3XP37GDBDV}

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.

Cited by

1 paper in Pith

Ultrametric spaces and clouds

Receipt and verification

First computed	2026-07-05T07:22:59.255262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d29855a2417c91e76c74dddfbf98611d4878e7e1904de51479d50e837e06b9ce

Aliases

arxiv: 2105.00611 · arxiv_version: 2105.00611v6 · doi: 10.48550/arxiv.2105.00611 · pith_short_12: 2KMFLISBPSI6 · pith_short_16: 2KMFLISBPSI6O3DU · pith_short_8: 2KMFLISB

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/2KMFLISBPSI6O3DU3XP37GDBDV \
  | 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: d29855a2417c91e76c74dddfbf98611d4878e7e1904de51479d50e837e06b9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3272b77ee4f8f99a54b1f8f469ddb7a7b159f6a5c678e2f7279ae7f4aee087",
    "cross_cats_sorted": [
      "math.AT",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2021-05-03T02:47:29Z",
    "title_canon_sha256": "fb38593c2e0540999d5221f0b8780618843d8621a72a6897557e1bf979d7420b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00611",
    "kind": "arxiv",
    "version": 6
  }
}