Pith Number

pith:SCMGARLL

pith:2007:SCMGARLLIYHK5VLL5Y3UBPJHYO

not attested not anchored not stored refs pending

Confirmation of Matheron's conjecture on the covariogram of a planar convex body

Gabriele Bianchi, Gennadiy Averkov

arxiv:0711.0572 v2 · 2007-11-05 · math.MG · math.CA · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCMGARLLIYHK5VLL5Y3UBPJHYO}

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	2026-05-18T04:09:04.751138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909860456b460eaed56bee3740bd27c3ad0008326217135502d2b4684105d2ed

Aliases

arxiv: 0711.0572 · arxiv_version: 0711.0572v2 · doi: 10.48550/arxiv.0711.0572 · pith_short_12: SCMGARLLIYHK · pith_short_16: SCMGARLLIYHK5VLL · pith_short_8: SCMGARLL

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/SCMGARLLIYHK5VLL5Y3UBPJHYO \
  | 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: 909860456b460eaed56bee3740bd27c3ad0008326217135502d2b4684105d2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a90b57a417d2b865ab3c1c8ed9f8437b58eb1d64d1a58ac4fb817ce89be2333",
    "cross_cats_sorted": [
      "math.CA",
      "math.PR"
    ],
    "license": "",
    "primary_cat": "math.MG",
    "submitted_at": "2007-11-05T07:55:05Z",
    "title_canon_sha256": "126a24b83af60897d82f47a07d20e278ac9f34ad184211ac255484e7f5872da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0572",
    "kind": "arxiv",
    "version": 2
  }
}