Pith Number

pith:BSUB2HMQ

pith:2016:BSUB2HMQ7HJAYCH63WZQBHMRMF

not attested not anchored not stored refs pending

Orbital angular momentum modes of high-gain parametric down-conversion

Angela M. Perez, Gaetano Frascella, Gerd Leuchs, Lina Beltran, Maria V. Chekhova, Olga V. Tikhonova, Polina R. Sharapova, Robert Fickler, Robert W. Boyd

arxiv:1612.07387 v1 · 2016-12-21 · 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{BSUB2HMQ7HJAYCH63WZQBHMRMF}

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	2026-05-18T00:47:05.133379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca81d1d90f9d20c08feddb3009d91617a1f79ba4e7052747560c528ede7531c

Aliases

arxiv: 1612.07387 · arxiv_version: 1612.07387v1 · doi: 10.48550/arxiv.1612.07387 · pith_short_12: BSUB2HMQ7HJA · pith_short_16: BSUB2HMQ7HJAYCH6 · pith_short_8: BSUB2HMQ

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/BSUB2HMQ7HJAYCH63WZQBHMRMF \
  | 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: 0ca81d1d90f9d20c08feddb3009d91617a1f79ba4e7052747560c528ede7531c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76f623bbfded01b7c41d0f222af338082a5d16af140001b41b3ace59cbd27dc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-21T23:26:30Z",
    "title_canon_sha256": "f7913915e1fd98fad9d1f66bd8e7f7882d292f04d79ae473cc3851635bb72dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07387",
    "kind": "arxiv",
    "version": 1
  }
}