Pith Number

pith:NMMKGM3X

pith:2021:NMMKGM3XQDXFPGNL2KOYO7VSJE

not attested not anchored not stored refs pending

Calibration and Auto-Refinement for Light Field Cameras

Didier Stricker, Gerd Reis, Yuriy Anisimov

arxiv:2106.06181 v1 · 2021-06-11 · 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{NMMKGM3XQDXFPGNL2KOYO7VSJE}

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	2026-07-05T02:48:27.133985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b18a3337780ee5799abd29d877eb2490b87a1e305f99d182ee5c8c38aa114fc

Aliases

arxiv: 2106.06181 · arxiv_version: 2106.06181v1 · doi: 10.48550/arxiv.2106.06181 · pith_short_12: NMMKGM3XQDXF · pith_short_16: NMMKGM3XQDXFPGNL · pith_short_8: NMMKGM3X

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/NMMKGM3XQDXFPGNL2KOYO7VSJE \
  | 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: 6b18a3337780ee5799abd29d877eb2490b87a1e305f99d182ee5c8c38aa114fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "635b7e1a1b4336c15c0e3113c7d101a26b397918fabf621c1944a1f055a2aced",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-11T05:49:14Z",
    "title_canon_sha256": "5fb5dd2df5d22df3f8fa584e1098db492bf9654f94da3f23849bf72c7b1c9210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06181",
    "kind": "arxiv",
    "version": 1
  }
}