Pith Number

pith:MTEQHN73

pith:2026:MTEQHN736WIVAMIDAUMJOCURD2

not attested not anchored not stored refs pending

The isoperimetric problem for the Favard length

Alexander Plakhov, Roman Karasev

arxiv:2606.10608 v1 · 2026-06-09 · 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{MTEQHN736WIVAMIDAUMJOCURD2}

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	2026-06-10T01:10:29.294350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c903b7fbf5915031030518970a911e84680f6f8003785937cdb3030eb69f87

Aliases

arxiv: 2606.10608 · arxiv_version: 2606.10608v1 · doi: 10.48550/arxiv.2606.10608 · pith_short_12: MTEQHN736WIV · pith_short_16: MTEQHN736WIVAMID · pith_short_8: MTEQHN73

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/MTEQHN736WIVAMIDAUMJOCURD2 \
  | 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: 64c903b7fbf5915031030518970a911e84680f6f8003785937cdb3030eb69f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "658def474ef0081c7f154090af0904fbb273b840dc41938570a5c82fa99a5200",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2026-06-09T09:10:08Z",
    "title_canon_sha256": "c01cc67f024c60fd2bcb9fe12530aafddcf13fea7b8dfb98b5acf562b70d86b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10608",
    "kind": "arxiv",
    "version": 1
  }
}