Pith Number

pith:F3FHFAQT

pith:2022:F3FHFAQTYPG45UVTY5LF2QZAPL

not attested not anchored not stored refs pending

Sparse Sampling and Completion for Light Transport in VPL-based Rendering

Hujun Bao, Rui Wang, Xinguo Liu, Yuchi Huo

arxiv:2202.12567 v2 · 2022-02-25 · 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{F3FHFAQTYPG45UVTY5LF2QZAPL}

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	2026-07-05T04:03:15.938343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eca728213c3cdced2b3c7565d43207ae3e9e706752feab749a0675b88c4cce9

Aliases

arxiv: 2202.12567 · arxiv_version: 2202.12567v2 · doi: 10.48550/arxiv.2202.12567 · pith_short_12: F3FHFAQTYPG4 · pith_short_16: F3FHFAQTYPG45UVT · pith_short_8: F3FHFAQT

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/F3FHFAQTYPG45UVTY5LF2QZAPL \
  | 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: 2eca728213c3cdced2b3c7565d43207ae3e9e706752feab749a0675b88c4cce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b8c52093d02f097fd3aec30d3a468e67e7ff0d622c8b8d86f2eeff3fe449c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2022-02-25T09:04:15Z",
    "title_canon_sha256": "7efa5279c4d4a80867fb371023971bc9c0eb47d2bf5cc77d03a33a1ce9ecd885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12567",
    "kind": "arxiv",
    "version": 2
  }
}