Pith Number

pith:OSAC4CC7

pith:2021:OSAC4CC7N32SOCTSIP7DNRQ2B6

not attested not anchored not stored refs pending

Common tangents to convex bodies

Federico Castillo, Jose Alejandro Samper, Joseph Doolittle

arxiv:2108.13569 v2 · 2021-08-31 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSAC4CC7N32SOCTSIP7DNRQ2B6}

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.

Cited by

1 paper in Pith

A Bayesian sequential soft classification problem for a Brownian motion's drift

Receipt and verification

First computed	2026-07-05T04:39:47.744909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74802e085f6ef5270a7243fe36c61a0f9424eccc11ab9d5e4cb2ebb7841387f0

Aliases

arxiv: 2108.13569 · arxiv_version: 2108.13569v2 · doi: 10.48550/arxiv.2108.13569 · pith_short_12: OSAC4CC7N32S · pith_short_16: OSAC4CC7N32SOCTS · pith_short_8: OSAC4CC7

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/OSAC4CC7N32SOCTSIP7DNRQ2B6 \
  | 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: 74802e085f6ef5270a7243fe36c61a0f9424eccc11ab9d5e4cb2ebb7841387f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d846850cacbdc7569ec43a17ba309f2e64b116ea7dbc33a6a5cd0a56ebfc97c2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2021-08-31T01:05:54Z",
    "title_canon_sha256": "1ddbea3b2df597a27b246da7c22ab409b1d6c24284c663bcf23859617050bc35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13569",
    "kind": "arxiv",
    "version": 2
  }
}