Pith Number

pith:OXC3MBGQ

pith:2021:OXC3MBGQ5YSQKKMP4SHXRFNBMC

not attested not anchored not stored refs pending

Optical helicity of unpolarized light

Kayn A. Forbes

arxiv:2112.11555 v1 · 2021-12-21 · 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{OXC3MBGQ5YSQKKMP4SHXRFNBMC}

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.

Cited by

1 paper in Pith

polyDAG: Polynomial Acyclicity Constraints for Efficient Continuous Causal Discovery in Visual Semantic Graphs

Receipt and verification

First computed	2026-07-05T04:04:00.187430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c5b604d0ee2505298fe48f7895a160a7b8044dfc1e0511d03de1cdb9d76448

Aliases

arxiv: 2112.11555 · arxiv_version: 2112.11555v1 · doi: 10.48550/arxiv.2112.11555 · pith_short_12: OXC3MBGQ5YSQ · pith_short_16: OXC3MBGQ5YSQKKMP · pith_short_8: OXC3MBGQ

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/OXC3MBGQ5YSQKKMP4SHXRFNBMC \
  | 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: 75c5b604d0ee2505298fe48f7895a160a7b8044dfc1e0511d03de1cdb9d76448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d121ca6c3712c6706dda5d2e9db9198e58f7d3f59aa13df6bdffabc00ed0664c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-21T22:38:35Z",
    "title_canon_sha256": "d0f54aa75c18894440d1ec0c44547c54e188ff3a269e697d4bacfde311389a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11555",
    "kind": "arxiv",
    "version": 1
  }
}