Pith Number

pith:W4H5IDEP

pith:2020:W4H5IDEPEMCHYYVGN2F44BZKKW

not attested not anchored not stored refs pending

NeRD: Neural Reflectance Decomposition from Image Collections

Ce Liu, Hendrik P.A. Lensch, Jonathan T. Barron, Mark Boss, Raphael Braun, Varun Jampani

arxiv:2012.03918 v4 · 2020-12-07 · 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{W4H5IDEPEMCHYYVGN2F44BZKKW}

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	2026-07-05T03:09:05.165607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70fd40c8f23047c62a66e8bce072a558c45cd43d3e78a66d98c5735aaebe369

Aliases

arxiv: 2012.03918 · arxiv_version: 2012.03918v4 · doi: 10.48550/arxiv.2012.03918 · pith_short_12: W4H5IDEPEMCH · pith_short_16: W4H5IDEPEMCHYYVG · pith_short_8: W4H5IDEP

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/W4H5IDEPEMCHYYVGN2F44BZKKW \
  | 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: b70fd40c8f23047c62a66e8bce072a558c45cd43d3e78a66d98c5735aaebe369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3d2707413826cd99105931814f1029d4ec77325a9174d9a9f9bda5a6acb0d4",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-07T18:45:57Z",
    "title_canon_sha256": "06536674fcd83307f7dbbdca937b28dd56998498198f2dce704957a710fc7401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03918",
    "kind": "arxiv",
    "version": 4
  }
}