Pith Number

pith:6UL5RECG

pith:2007:6UL5RECGJSJE2EO47LLJK7KMEO

not attested not anchored not stored refs pending

Orthogonal Set of Basis Functions over the Binocular Pupil

Richard J. Mathar

arxiv:0706.3682 v2 · 2007-06-25 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UL5RECGJSJE2EO47LLJK7KMEO}

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	2026-05-18T00:45:01.993891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f517d890464c924d11dcfad6957d4c2399ec8e0e5c81e44f535bd5617fe0174d

Aliases

arxiv: 0706.3682 · arxiv_version: 0706.3682v2 · doi: 10.48550/arxiv.0706.3682 · pith_short_12: 6UL5RECGJSJE · pith_short_16: 6UL5RECGJSJE2EO4 · pith_short_8: 6UL5RECG

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/6UL5RECGJSJE2EO47LLJK7KMEO \
  | 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: f517d890464c924d11dcfad6957d4c2399ec8e0e5c81e44f535bd5617fe0174d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "448f2ce86e4d4a50f3435b0794de8d2b7f44b7aef6d438b3f7c38815b5af071c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2007-06-25T18:20:55Z",
    "title_canon_sha256": "a3db7baea5bf7ce8a5c15f029f87fb151c9939c6d71aaedddb2c576e43111850"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.3682",
    "kind": "arxiv",
    "version": 2
  }
}