Pith Number

pith:ZD5EWCCQ

pith:2015:ZD5EWCCQZA5PF4HBDHP4BJQG2Q

not attested not anchored not stored refs pending

The optical theorem for the conservation of the electromagnetic helicity: Its significance for molecular transfer and enantiomeric discrimination by dichroism

Manuel Nieto-Vesperinas

arxiv:1506.06258 v2 · 2015-06-20 · 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{ZD5EWCCQZA5PF4HBDHP4BJQG2Q}

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	2026-05-18T01:27:53.936995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8fa4b0850c83af2f0e119dfc0a606d4348e8155817d62aa16bbda498ad49220

Aliases

arxiv: 1506.06258 · arxiv_version: 1506.06258v2 · doi: 10.48550/arxiv.1506.06258 · pith_short_12: ZD5EWCCQZA5P · pith_short_16: ZD5EWCCQZA5PF4HB · pith_short_8: ZD5EWCCQ

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/ZD5EWCCQZA5PF4HBDHP4BJQG2Q \
  | 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: c8fa4b0850c83af2f0e119dfc0a606d4348e8155817d62aa16bbda498ad49220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6c1e6a44f0485a1d8afd8196fd1676a16f74683be3f1bbb2681be19db3faa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-06-20T15:47:16Z",
    "title_canon_sha256": "d201b5c0805a40de3167905ff9374a056fc39f338f09153e1a30f6bff209ae1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06258",
    "kind": "arxiv",
    "version": 2
  }
}