Pith Number

pith:PIERRWFU

pith:2017:PIERRWFU3DX2VFKIACK2IEE5S2

not attested not anchored not stored refs pending

How fast is a twisted photon?

Ashley Lyons, Calum Maitland, Daniele Faccio, Jonathan Leach, Miles Padgett, Niclas Westerberg, Stefano Vezzoli, Thomas Roger

arxiv:1711.05582 v1 · 2017-11-15 · 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{PIERRWFU3DX2VFKIACK2IEE5S2}

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	2026-05-18T00:30:29.466173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0918d8b4d8efaa95480095a4109d969cc15d83659ef999ae8c394eed5afb66

Aliases

arxiv: 1711.05582 · arxiv_version: 1711.05582v1 · doi: 10.48550/arxiv.1711.05582 · pith_short_12: PIERRWFU3DX2 · pith_short_16: PIERRWFU3DX2VFKI · pith_short_8: PIERRWFU

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/PIERRWFU3DX2VFKIACK2IEE5S2 \
  | 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: 7a0918d8b4d8efaa95480095a4109d969cc15d83659ef999ae8c394eed5afb66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79306544db66d193c50116fbe22df934a4eecbeb21f1494515f5ef989c5bc500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-11-15T14:17:30Z",
    "title_canon_sha256": "4c8004d08951ca41fe98debfe8ae0596cf07eb3169cf84f4ed7d6cfd9ed70f4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05582",
    "kind": "arxiv",
    "version": 1
  }
}