Pith Number

pith:NBA7ISMZ

pith:2021:NBA7ISMZ64B6J3NBZPWOXHS4PN

not attested not anchored not stored refs pending

An unbiased ray-marching transmittance estimator

Eugene d'Eon, Jacopo Pantaleoni, Jan Novak, Markus Kettunen

arxiv:2102.10294 v1 · 2021-02-20 · 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{NBA7ISMZ64B6J3NBZPWOXHS4PN}

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	2026-07-05T03:07:05.179522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6841f44999f703e4eda1cbeceb9e5c7b77c406237c6fc0eacdb88d924bc0f4f6

Aliases

arxiv: 2102.10294 · arxiv_version: 2102.10294v1 · doi: 10.48550/arxiv.2102.10294 · pith_short_12: NBA7ISMZ64B6 · pith_short_16: NBA7ISMZ64B6J3NB · pith_short_8: NBA7ISMZ

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/NBA7ISMZ64B6J3NBZPWOXHS4PN \
  | 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: 6841f44999f703e4eda1cbeceb9e5c7b77c406237c6fc0eacdb88d924bc0f4f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "659ecc4b8f36fcab9b751b22976459da89e84dc8b33395b0d86bc615e7b69d78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2021-02-20T09:08:11Z",
    "title_canon_sha256": "29f16cf269c67a5a7127b6622d8e5c17047540f9e8aa1b601b15a50102a468cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10294",
    "kind": "arxiv",
    "version": 1
  }
}