Pith Number

pith:56PVWMU3

pith:2008:56PVWMU3J57HUPF2FACKSLPFQB

not attested not anchored not stored refs pending

Quantum information transfer from spin to orbital angular momentum of photons

Bruno Piccirillo, Ebrahim Karimi, Eleonora Nagali, Enrico Santamato, Fabio Sciarrino, Francesco De Martini, Lorenzo Marrucci

arxiv:0810.2417 v2 · 2008-10-14 · 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{56PVWMU3J57HUPF2FACKSLPFQB}

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	2026-05-18T02:15:31.968340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9f5b329b4f7e7a3cba2804a92de5804c3afa161b83ca2aeb4e193bf99e4f56

Aliases

arxiv: 0810.2417 · arxiv_version: 0810.2417v2 · doi: 10.48550/arxiv.0810.2417 · pith_short_12: 56PVWMU3J57H · pith_short_16: 56PVWMU3J57HUPF2 · pith_short_8: 56PVWMU3

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/56PVWMU3J57HUPF2FACKSLPFQB \
  | 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: ef9f5b329b4f7e7a3cba2804a92de5804c3afa161b83ca2aeb4e193bf99e4f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b0fbceaeb38a3140e978d10d154491a30d028fc52963e000659b3236a0c6b48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-14T11:07:50Z",
    "title_canon_sha256": "4f2757dc6882266f124cbd985524d202251245070b56d16bdb91b93b1c7863b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2417",
    "kind": "arxiv",
    "version": 2
  }
}