Pith Number

pith:3CQAVPR3

pith:1996:3CQAVPR3WF3BHCHD2G3MQLUJKX

not attested not anchored not stored refs pending

Floating body, illumination body, and polytopal approximation

Carsten Sch\"utt

arxiv:math/9609206 v1 · 1996-09-05 · math.MG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CQAVPR3WF3BHCHD2G3MQLUJKX}

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	2026-05-18T01:38:23.022201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a00abe3bb1761388e3d1b6c82e8955eaddd3388bd0e4ff972a1d335711bbd9

Aliases

arxiv: math/9609206 · arxiv_version: math/9609206v1 · doi: 10.48550/arxiv.math/9609206 · pith_short_12: 3CQAVPR3WF3B · pith_short_16: 3CQAVPR3WF3BHCHD · pith_short_8: 3CQAVPR3

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/3CQAVPR3WF3BHCHD2G3MQLUJKX \
  | 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: d8a00abe3bb1761388e3d1b6c82e8955eaddd3388bd0e4ff972a1d335711bbd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cabeac6a0390766d63e70cc0fe976c87c8ec5c7493c88d8cfbf0d9bd5c297b0f",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.MG",
    "submitted_at": "1996-09-05T00:00:00Z",
    "title_canon_sha256": "7a3f96428f993c298720aea51330bbd90111271ccfab8b15a061dda5528deac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9609206",
    "kind": "arxiv",
    "version": 1
  }
}