Pith Number

pith:RSGT4PIU

pith:2010:RSGT4PIUZLJXECKO2W567XYQUB

not attested not anchored not stored refs pending

Geometric Tomography With Topological Guarantees

Jean-Daniel Boissonnat, Omid Amini, Pooran Memari

arxiv:1007.2452 v2 · 2010-07-14 · cs.CG · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSGT4PIUZLJXECKO2W567XYQUB}

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	2026-05-18T01:55:58.592544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c8d3e3d14cad372094ed5bbefdf10a04857caa4ced6659027e6864bb5f1ee34

Aliases

arxiv: 1007.2452 · arxiv_version: 1007.2452v2 · doi: 10.48550/arxiv.1007.2452 · pith_short_12: RSGT4PIUZLJX · pith_short_16: RSGT4PIUZLJXECKO · pith_short_8: RSGT4PIU

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/RSGT4PIUZLJXECKO2W567XYQUB \
  | 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: 8c8d3e3d14cad372094ed5bbefdf10a04857caa4ced6659027e6864bb5f1ee34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ccd0d35243333514acee7da9a4cdff17d97d7981820b8060862885b53becbf",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2010-07-14T23:54:42Z",
    "title_canon_sha256": "6c2ed5187ca385484b90d2ce103b9f8d3ac35c120fc41a7edcdcfcf40cc00d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2452",
    "kind": "arxiv",
    "version": 2
  }
}