Pith Number

pith:SA7X6ZS2

pith:2017:SA7X6ZS2QUT3JAJMK4LIWDNZEZ

not attested not anchored not stored refs pending

LED-based Photometric Stereo: Modeling, Calibration and Numerical Solution

Bastien Durix, Daniel Cremers, Fran\c{c}ois Lauze, Jean-Denis Durou, Tao Wu, Yvain Qu\'eau

arxiv:1707.01018 v2 · 2017-07-04 · 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{SA7X6ZS2QUT3JAJMK4LIWDNZEZ}

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	2026-05-18T00:36:08.573470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

903f7f665a8527b4812c57168b0db9266251be22b6420dda3138e4b5a1dc22b6

Aliases

arxiv: 1707.01018 · arxiv_version: 1707.01018v2 · doi: 10.48550/arxiv.1707.01018 · pith_short_12: SA7X6ZS2QUT3 · pith_short_16: SA7X6ZS2QUT3JAJM · pith_short_8: SA7X6ZS2

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/SA7X6ZS2QUT3JAJMK4LIWDNZEZ \
  | 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: 903f7f665a8527b4812c57168b0db9266251be22b6420dda3138e4b5a1dc22b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b6dca07574147417b9b96b2d6fc76ef56983a64c60179d0b036e5ea66eeaf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-04T14:39:27Z",
    "title_canon_sha256": "a7cc7983f9f4ea753b18b604a98c53564a34fe67ea8ce737e476c99ab9edafa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01018",
    "kind": "arxiv",
    "version": 2
  }
}