Pith Number

pith:LYSUKTC3

pith:2017:LYSUKTC3TSRNQWRDWFN5GF2WHZ

not attested not anchored not stored refs pending

Mutually touching infinite cylinders in the 3D world of lines

Peter V. Pikhitsa, Stanislaw Pikhitsa

arxiv:1705.04019 v2 · 2017-05-11 · 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{LYSUKTC3TSRNQWRDWFN5GF2WHZ}

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	2026-05-18T00:17:35.529514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e25454c5b9ca2d85a23b15bd317563e59808d65499367e2afea258607a97a08

Aliases

arxiv: 1705.04019 · arxiv_version: 1705.04019v2 · doi: 10.48550/arxiv.1705.04019 · pith_short_12: LYSUKTC3TSRN · pith_short_16: LYSUKTC3TSRNQWRD · pith_short_8: LYSUKTC3

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/LYSUKTC3TSRNQWRDWFN5GF2WHZ \
  | 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: 5e25454c5b9ca2d85a23b15bd317563e59808d65499367e2afea258607a97a08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69d8347c82bff68c26150638b577e69efe03655da46198c650d5303ca464bacf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-05-11T05:21:55Z",
    "title_canon_sha256": "7a7190e33d054ba946591a88eb3d40a1776663b3f822a40484fb82eaebfd0395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04019",
    "kind": "arxiv",
    "version": 2
  }
}