Pith Number

pith:GJQF3246

pith:2010:GJQF3246RK4PKJZKSHSB5Q4S26

not attested not anchored not stored refs pending

On the reconstruction of planar lattice-convex sets from the covariogram

Barbara Langfeld, Gennadiy Averkov

arxiv:1011.5530 v3 · 2010-11-24 · 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{GJQF3246RK4PKJZKSHSB5Q4S26}

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	2026-05-18T04:00:26.989197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32605deb9e8ab8f5272a91e41ec392d79495015031bc11e1b3f38e17d89d8fad

Aliases

arxiv: 1011.5530 · arxiv_version: 1011.5530v3 · doi: 10.48550/arxiv.1011.5530 · pith_short_12: GJQF3246RK4P · pith_short_16: GJQF3246RK4PKJZK · pith_short_8: GJQF3246

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/GJQF3246RK4PKJZKSHSB5Q4S26 \
  | 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: 32605deb9e8ab8f5272a91e41ec392d79495015031bc11e1b3f38e17d89d8fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8433e57b0f498f83338348e097d4945afc96b17020b093ad149cb21f1219b90a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2010-11-24T23:15:49Z",
    "title_canon_sha256": "692f142d4cec11b1556a37001149733d2503d79ae84b465de993afd3345c8ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5530",
    "kind": "arxiv",
    "version": 3
  }
}