Pith Number

pith:ZPWREMER

pith:2017:ZPWREMERBUGBWXQ3I5NWSHB6M7

not attested not anchored not stored refs pending

A Variational Approach to Shape-from-shading Under Natural Illumination

Daniel Cremers, Fabien Castan, Jean-Denis Durou, Jean M\'elou, Yvain Qu\'eau

arxiv:1709.10354 v2 · 2017-09-29 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPWREMERBUGBWXQ3I5NWSHB6M7}

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	2026-05-18T00:29:01.113068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbed1230910d0c1b5e1b475b691c3e67c13006323c4be756a80fe2b7fb4ebf66

Aliases

arxiv: 1709.10354 · arxiv_version: 1709.10354v2 · doi: 10.48550/arxiv.1709.10354 · pith_short_12: ZPWREMERBUGB · pith_short_16: ZPWREMERBUGBWXQ3 · pith_short_8: ZPWREMER

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/ZPWREMERBUGBWXQ3I5NWSHB6M7 \
  | 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: cbed1230910d0c1b5e1b475b691c3e67c13006323c4be756a80fe2b7fb4ebf66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fe1b356bd6fa9bf7e8a296912ec1eb7178128a0de97406455939ddf4ce3d8ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-29T11:58:13Z",
    "title_canon_sha256": "70666876c2533786ead4c53e30d7ed7482626011a19550e8fed6603198e33458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10354",
    "kind": "arxiv",
    "version": 2
  }
}