Pith Number

pith:5KHMLLWD

pith:2019:5KHMLLWDQ3YSW6PT37GXBCD4PB

not attested not anchored not stored refs pending

Face Reflectance and Geometry Modeling via Differentiable Ray Tracing

Abdallah Dib, Cedric Thebault, Gaurav Bharaj, Junghyun Ahn, Louis Chevallier, Philippe-Henri Gosselin

arxiv:1910.05200 v1 · 2019-10-03 · cs.CV · 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{5KHMLLWDQ3YSW6PT37GXBCD4PB}

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	2026-07-05T00:11:26.576578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea8ec5aec386f12b79f3dfcd70887c7848cf5d705b6814e4234dbad8eaa1acd5

Aliases

arxiv: 1910.05200 · arxiv_version: 1910.05200v1 · doi: 10.48550/arxiv.1910.05200 · pith_short_12: 5KHMLLWDQ3YS · pith_short_16: 5KHMLLWDQ3YSW6PT · pith_short_8: 5KHMLLWD

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/5KHMLLWDQ3YSW6PT37GXBCD4PB \
  | 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: ea8ec5aec386f12b79f3dfcd70887c7848cf5d705b6814e4234dbad8eaa1acd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0995f13c250f76cba087428bc9fc7c5f9189f88af40be142d17e2e9b123398f7",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-10-03T13:39:33Z",
    "title_canon_sha256": "3a61a1248269fe37e2a5b55a91f73ae7b8a4e5b2a8dfc2f2486d9af617ce0e00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05200",
    "kind": "arxiv",
    "version": 1
  }
}