Pith Number

pith:HPPWOT3C

pith:2018:HPPWOT3CCNYCXRG2BGFCMEWLO6

not attested not anchored not stored refs pending

Spherical indicatrices with the modified orthogonal frame

Hasan Es, Mohamd Saleem Lone, Murat Kemal Karacan, Yilmaz Tuncer

arxiv:1810.01082 v1 · 2018-10-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPPWOT3CCNYCXRG2BGFCMEWLO6}

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	2026-05-18T00:04:18.915116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bdf674f6213702bc4da098a2612cb77b99579f85afa39d76d2e14482165bf49

Aliases

arxiv: 1810.01082 · arxiv_version: 1810.01082v1 · doi: 10.48550/arxiv.1810.01082 · pith_short_12: HPPWOT3CCNYC · pith_short_16: HPPWOT3CCNYCXRG2 · pith_short_8: HPPWOT3C

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/HPPWOT3CCNYCXRG2BGFCMEWLO6 \
  | 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: 3bdf674f6213702bc4da098a2612cb77b99579f85afa39d76d2e14482165bf49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a77171c260054d746406617b3ecef8b9d3040fc7283d17deba0aa268b1396994",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-02T06:05:33Z",
    "title_canon_sha256": "38cfabd1ae06b8c1f3236e385f93379eeeffa13aa1c7298ae0c9237671bf66cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01082",
    "kind": "arxiv",
    "version": 1
  }
}