Pith Number

pith:ZWLHEVUD

pith:2019:ZWLHEVUDRDGDSRV7MXKVX6L7F6

not attested not anchored not stored refs pending

Effects of orbital angular momentum on few-cycle pulse shape: Coupling between the temporal and angular momentum degrees of freedom

Miguel A. Porras

arxiv:1902.09974 v2 · 2019-02-26 · 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{ZWLHEVUDRDGDSRV7MXKVX6L7F6}

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	2026-05-17T23:45:29.554134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd9672568388cc3946bf65d55bf97f2faf513cfc57f9250d54950143aef32d42

Aliases

arxiv: 1902.09974 · arxiv_version: 1902.09974v2 · doi: 10.48550/arxiv.1902.09974 · pith_short_12: ZWLHEVUDRDGD · pith_short_16: ZWLHEVUDRDGDSRV7 · pith_short_8: ZWLHEVUD

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/ZWLHEVUDRDGDSRV7MXKVX6L7F6 \
  | 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: cd9672568388cc3946bf65d55bf97f2faf513cfc57f9250d54950143aef32d42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5489b47d5a692522e1208e3d745bacdeb9be1f37f79037e043a80050612d22b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-02-26T14:44:29Z",
    "title_canon_sha256": "d826d396c4543fbedfd26a09aff603f8034c634f4df39253f5f1eacbd83266a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09974",
    "kind": "arxiv",
    "version": 2
  }
}