Pith Number

pith:HLFJSRJA

pith:2018:HLFJSRJASTPGHUMH2FXUPMZ5RE

not attested not anchored not stored refs pending

Massively Parallel Stackless Ray Tracing of Catmull-Clark Subdivision Surfaces

Alexander Keller, Nikolaus Binder

arxiv:1811.03510 v1 · 2018-11-08 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLFJSRJASTPGHUMH2FXUPMZ5RE}

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	2026-05-18T00:01:15.918668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aca99452094de63d187d16f47b33d8932181d48f9c3d2d542fda5d171978edb

Aliases

arxiv: 1811.03510 · arxiv_version: 1811.03510v1 · doi: 10.48550/arxiv.1811.03510 · pith_short_12: HLFJSRJASTPG · pith_short_16: HLFJSRJASTPGHUMH · pith_short_8: HLFJSRJA

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/HLFJSRJASTPGHUMH2FXUPMZ5RE \
  | 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: 3aca99452094de63d187d16f47b33d8932181d48f9c3d2d542fda5d171978edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb7fa549c424c00bb923d23e041d6a44cb4132ad7d890cf2751074fcf79bbc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2018-11-08T15:58:40Z",
    "title_canon_sha256": "17b7efed591132eabe5cd9c73b941fc53ab16d8903dc4ce5d09dfc290e6aa9a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03510",
    "kind": "arxiv",
    "version": 1
  }
}