pith. sign in
Pith Number

pith:KUFZXSIX

pith:2011:KUFZXSIX6PNFQMJYKWSLWN423T
not attested not anchored not stored refs pending

On conformal lenses

Huanyang Chen, Hui Li, Yadong Xu

arxiv:1108.3496 v1 · 2011-08-17 · physics.optics · physics.class-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KUFZXSIX6PNFQMJYKWSLWN423T}

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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 2026-05-18T04:15:17.542052Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

550b9bc917f3da58313855a4bb379adce0d6e6be0ac66b5df05b443cc231c61d

Aliases

arxiv: 1108.3496 · arxiv_version: 1108.3496v1 · doi: 10.48550/arxiv.1108.3496 · pith_short_12: KUFZXSIX6PNF · pith_short_16: KUFZXSIX6PNFQMJY · pith_short_8: KUFZXSIX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KUFZXSIX6PNFQMJYKWSLWN423T \
  | 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: 550b9bc917f3da58313855a4bb379adce0d6e6be0ac66b5df05b443cc231c61d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eeb2ede78455d4f7f09f695ae401ec2535d02dc3cb7a479f27648bbdb4a81435",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-08-17T14:41:43Z",
    "title_canon_sha256": "5b1ec86ac8eec912e9f3978299ace13b9b1095130ff9952a18e62f352f2023f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3496",
    "kind": "arxiv",
    "version": 1
  }
}