Pith Number

pith:QS5QRUPC

pith:2017:QS5QRUPCGU67YO237QPDNANUFM

not attested not anchored not stored refs pending

Photometric Stereo by Hemispherical Metric Embedding

Nati Ofir, Ofer Bartal, Ronen Basri, Yaron Lipman

arxiv:1706.08153 v1 · 2017-06-25 · 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{QS5QRUPCGU67YO237QPDNANUFM}

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	2026-07-05T03:19:57.512004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84bb08d1e2353dfc3b5bfc1e3681b42b27c3d3345f7e438ad9da8131cbf50d68

Aliases

arxiv: 1706.08153 · arxiv_version: 1706.08153v1 · doi: 10.48550/arxiv.1706.08153 · pith_short_12: QS5QRUPCGU67 · pith_short_16: QS5QRUPCGU67YO23 · pith_short_8: QS5QRUPC

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/QS5QRUPCGU67YO237QPDNANUFM \
  | 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: 84bb08d1e2353dfc3b5bfc1e3681b42b27c3d3345f7e438ad9da8131cbf50d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dcba71dd6c0a9474f289e355628e55c1a156e2ebb885f966d164ef6e0f4a66e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-06-25T18:36:28Z",
    "title_canon_sha256": "2f832d19556f88b0d1e2e89e4c40742e85424ff63ac8d85e38e573c72b30f96e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08153",
    "kind": "arxiv",
    "version": 1
  }
}