Pith Number

pith:ZNPQV7EA

pith:2017:ZNPQV7EAVDNYV25ZB77UHQEPWL

not attested not anchored not stored refs pending

Optimisation of photometric stereo methods by non-convex variational minimisation

Georg Radow, Laurent Hoeltgen, Michael Breu{\ss}, Yvain Qu\'eau

arxiv:1709.10437 v1 · 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{ZNPQV7EAVDNYV25ZB77UHQEPWL}

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	2026-05-18T00:34:01.102275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb5f0afc80a8db8aebb90fff43c08fb2ffcb624207caeb9e08b4620f7293623a

Aliases

arxiv: 1709.10437 · arxiv_version: 1709.10437v1 · doi: 10.48550/arxiv.1709.10437 · pith_short_12: ZNPQV7EAVDNY · pith_short_16: ZNPQV7EAVDNYV25Z · pith_short_8: ZNPQV7EA

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/ZNPQV7EAVDNYV25ZB77UHQEPWL \
  | 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: cb5f0afc80a8db8aebb90fff43c08fb2ffcb624207caeb9e08b4620f7293623a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07391c8cf3251e9d79c2838ab9235c16c6981d685f77670c16f840153637993c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-29T14:50:55Z",
    "title_canon_sha256": "c28dfdb32e2c09758e25cdc0892b817eaf250858ae1a8f70e67650b816804eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10437",
    "kind": "arxiv",
    "version": 1
  }
}