Pith Number

pith:Z2V5YL37

pith:2026:Z2V5YL37VMLOGQ3CQ4F3E5TTY2

not attested not anchored not stored refs pending

Quasi-isometric modification of Gromov-Hausdorff distance

Alexei Naianzin

arxiv:2602.04826 v2 · 2026-02-04 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2V5YL37VMLOGQ3CQ4F3E5TTY2}

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	2026-05-28T02:04:45.950423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceabdc2f7fab16e34362870bb27673c6a76537c1396aea7abf57c16f4d99b4f9

Aliases

arxiv: 2602.04826 · arxiv_version: 2602.04826v2 · doi: 10.48550/arxiv.2602.04826 · pith_short_12: Z2V5YL37VMLO · pith_short_16: Z2V5YL37VMLOGQ3C · pith_short_8: Z2V5YL37

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/Z2V5YL37VMLOGQ3CQ4F3E5TTY2 \
  | 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: ceabdc2f7fab16e34362870bb27673c6a76537c1396aea7abf57c16f4d99b4f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe732dfe19095a8e6e96b0a3a5d13a6e7e02a2d787cd2ea599b8a6dd72d760ed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2026-02-04T18:14:45Z",
    "title_canon_sha256": "6c55a62bb17dfb06e00836165adcfea853eef54eb7da7576d59e73cbeb4eeaf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04826",
    "kind": "arxiv",
    "version": 2
  }
}