Pith Number

pith:DYPARIUV

pith:2021:DYPARIUVCIGXHQCDYAHML7GGDN

not attested not anchored not stored refs pending

Position-free Multiple-bounce Computations for Smith Microfacet BSDFs

Beibei Wang, Jiahui Fan, Jian Yang, Ling-Qi Yan, Nicolas Holzschuch, Wenhua Jin

arxiv:2109.14398 v1 · 2021-09-29 · 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{DYPARIUVCIGXHQCDYAHML7GGDN}

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	2026-07-05T03:18:34.824196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e1e08a295120d73c043c00ec5fcc61b6cca24fcecb3124f1be3837849b8c71d

Aliases

arxiv: 2109.14398 · arxiv_version: 2109.14398v1 · doi: 10.48550/arxiv.2109.14398 · pith_short_12: DYPARIUVCIGX · pith_short_16: DYPARIUVCIGXHQCD · pith_short_8: DYPARIUV

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/DYPARIUVCIGXHQCDYAHML7GGDN \
  | 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: 1e1e08a295120d73c043c00ec5fcc61b6cca24fcecb3124f1be3837849b8c71d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f93433f0c76d6f7260d39e34e8151c3d52ce49fed44a0e7f76346ca379fc0d23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2021-09-29T13:01:46Z",
    "title_canon_sha256": "10289dc57ddd5bb8b221404c4f83c00b11b039f2735bd63128e09059ba9df598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14398",
    "kind": "arxiv",
    "version": 1
  }
}