Pith Number

pith:IIHYAFPW

pith:2015:IIHYAFPWQ4S5733UCVEJ46TMSR

not attested not anchored not stored refs pending

Observation of subluminal twisted light in vacuum

Ebrahim Karimi, Fr\'ed\'eric Bouchard, Harjaspreet Mand, J\'er\'emie Harris, Robert W. Boyd

arxiv:1512.02597 v1 · 2015-12-08 · physics.optics · 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{IIHYAFPWQ4S5733UCVEJ46TMSR}

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	2026-05-18T01:24:44.324811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420f8015f68725dfef7415489e7a6c94402d2a398ab1dc6739b9fad56a265879

Aliases

arxiv: 1512.02597 · arxiv_version: 1512.02597v1 · doi: 10.48550/arxiv.1512.02597 · pith_short_12: IIHYAFPWQ4S5 · pith_short_16: IIHYAFPWQ4S5733U · pith_short_8: IIHYAFPW

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/IIHYAFPWQ4S5733UCVEJ46TMSR \
  | 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: 420f8015f68725dfef7415489e7a6c94402d2a398ab1dc6739b9fad56a265879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67102c5136fcc0bd81c6b3a7e9821b82068696402ad82d9609612abec714a3fe",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-12-08T19:25:00Z",
    "title_canon_sha256": "aae2f2c615a0870f8639e0fddde7ead11f788698311e079afc0833e6e824a0af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02597",
    "kind": "arxiv",
    "version": 1
  }
}