Pith Number

pith:A4GYB6RB

pith:2011:A4GYB6RBS557BNY6LBXM2NHNC4

not attested not anchored not stored refs pending

Smart depth of field optimization applied to a robotised view camera

Luc de Saint Germain, Olivier Mondin, St\'ephane Mottelet

arxiv:1102.0048 v2 · 2011-02-01 · math.OC · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4GYB6RBS557BNY6LBXM2NHNC4}

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	2026-05-18T02:22:41.526494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

070d80fa21977bf0b71e586ecd34ed17198f2461897de7f1c5f15173ccde7308

Aliases

arxiv: 1102.0048 · arxiv_version: 1102.0048v2 · doi: 10.48550/arxiv.1102.0048 · pith_short_12: A4GYB6RBS557 · pith_short_16: A4GYB6RBS557BNY6 · pith_short_8: A4GYB6RB

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/A4GYB6RBS557BNY6LBXM2NHNC4 \
  | 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: 070d80fa21977bf0b71e586ecd34ed17198f2461897de7f1c5f15173ccde7308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df1b302046ea5a8475228a4625fd43f590198c4a04c86cb11f9701b634af4ebb",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-02-01T01:05:10Z",
    "title_canon_sha256": "7952ee21e37139043cc28dae2572505a7ce2708c4581c0dd31651ca33825171e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0048",
    "kind": "arxiv",
    "version": 2
  }
}