Pith Number

pith:HIXASJK4

pith:2018:HIXASJK4I2EY5L4GP2MN6347LP

not attested not anchored not stored refs pending

On `orbital' and `spin' angular momentum of light in classical and quantum theories -- a general framework

Arvind, N. Mukunda, Subhash Chaturvedi

arxiv:1805.00762 v1 · 2018-05-02 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIXASJK4I2EY5L4GP2MN6347LP}

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	2026-05-18T00:00:56.147188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a2e09255c46898eaf867e98df6f9f5bdc1bd09d7f039d10b46ff9bb0b046271

Aliases

arxiv: 1805.00762 · arxiv_version: 1805.00762v1 · doi: 10.48550/arxiv.1805.00762 · pith_short_12: HIXASJK4I2EY · pith_short_16: HIXASJK4I2EY5L4G · pith_short_8: HIXASJK4

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/HIXASJK4I2EY5L4GP2MN6347LP \
  | 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: 3a2e09255c46898eaf867e98df6f9f5bdc1bd09d7f039d10b46ff9bb0b046271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ca9d3326102e898301165f56312dc6dfefa8ac5e7aa2cbc160eed31ba0e067",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-02T12:25:41Z",
    "title_canon_sha256": "620b45549eef95f3b7d49a6e10ecdc3cdd084b93aada574cd8a85ae052c0fe5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00762",
    "kind": "arxiv",
    "version": 1
  }
}