Pith Number

pith:DS55CI5J

pith:2020:DS55CI5JC2MYEQSRMJSH7CXXZL

not attested not anchored not stored refs pending

Two-shot Spatially-varying BRDF and Shape Estimation

Hendrik P.A. Lensch, Jan Kautz, Kihwan Kim, Mark Boss, Varun Jampani

arxiv:2004.00403 v1 · 2020-04-01 · cs.CV · cs.GR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DS55CI5JC2MYEQSRMJSH7CXXZL}

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	2026-07-05T02:41:27.495742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cbbd123a9169982425162647f8af7caeaf01cb030e86841f6b80f761323c97c

Aliases

arxiv: 2004.00403 · arxiv_version: 2004.00403v1 · doi: 10.48550/arxiv.2004.00403 · pith_short_12: DS55CI5JC2MY · pith_short_16: DS55CI5JC2MYEQSR · pith_short_8: DS55CI5J

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/DS55CI5JC2MYEQSRMJSH7CXXZL \
  | 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: 1cbbd123a9169982425162647f8af7caeaf01cb030e86841f6b80f761323c97c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3263f4ae16986dcd9cb863d5739f1300482da74e6d5213f1a47b6578cd73dc02",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-01T12:56:13Z",
    "title_canon_sha256": "f122479750b526397e64bd04ac80f4410a7a3c86a4afb4da8f7074c49bf13429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00403",
    "kind": "arxiv",
    "version": 1
  }
}