Pith Number

pith:DNFPWK76

pith:2018:DNFPWK76LZMG3OBS23PFWN3S6S

not attested not anchored not stored refs pending

Spectroscopy of fractional orbital angular momentum states

Bernd Berger, Daniel Schmidt, Marc A{\ss}mann, Marius Kahlert

arxiv:1810.05135 v1 · 2018-10-11 · 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{DNFPWK76LZMG3OBS23PFWN3S6S}

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	2026-05-17T23:59:14.068390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b4afb2bfe5e586db832d6de5b3772f4b614674fc9e500d888ce42b541ba3cfd

Aliases

arxiv: 1810.05135 · arxiv_version: 1810.05135v1 · doi: 10.48550/arxiv.1810.05135 · pith_short_12: DNFPWK76LZMG · pith_short_16: DNFPWK76LZMG3OBS · pith_short_8: DNFPWK76

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/DNFPWK76LZMG3OBS23PFWN3S6S \
  | 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: 1b4afb2bfe5e586db832d6de5b3772f4b614674fc9e500d888ce42b541ba3cfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eacab2bcb8a3c9b1a217f70da0c1e215ba81f3df9d9846e88612265625d26ab8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-10-11T17:29:03Z",
    "title_canon_sha256": "4beb7bb7c87f3f15d73b191bb49394e6024a4e086c0ce56fccedbb4612580f01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05135",
    "kind": "arxiv",
    "version": 1
  }
}