Pith Number

pith:ICSST52D

pith:2014:ICSST52DCOM2BZ5ERSADZW3B6R

not attested not anchored not stored refs pending

Combined calculi for photon orbital and spin angular momenta

Nicholas M. Elias II

arxiv:1401.2472 v2 · 2014-01-10 · 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{ICSST52DCOM2BZ5ERSADZW3B6R}

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	2026-05-18T02:43:36.557755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40a529f7431399a0e7a48c803cdb61f46cc8cdcc01871dde1c680bfff8d8fd96

Aliases

arxiv: 1401.2472 · arxiv_version: 1401.2472v2 · doi: 10.48550/arxiv.1401.2472 · pith_short_12: ICSST52DCOM2 · pith_short_16: ICSST52DCOM2BZ5E · pith_short_8: ICSST52D

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/ICSST52DCOM2BZ5ERSADZW3B6R \
  | 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: 40a529f7431399a0e7a48c803cdb61f46cc8cdcc01871dde1c680bfff8d8fd96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae3373b5d20f54c98aef2e12e8ae0933217188c6ce1e9d02ad6ab4031ab3e8ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-10T21:39:56Z",
    "title_canon_sha256": "e5a3da8bd2a92bd6eff7a7586270fa1ad2a50625b27feaac5a949b35c4d6b501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2472",
    "kind": "arxiv",
    "version": 2
  }
}