Pith Number

pith:7LZQK2SC

pith:2014:7LZQK2SCZJS7OUKQ66DRSDTSKC

not attested not anchored not stored refs pending

Classical to quantum transfer of optical vortices

Alfred B. U'Ren, Hector Cruz-Ramirez, Roberto Ramirez-Alarcon, Veronica Vicuna-Hernandez

arxiv:1407.6407 v2 · 2014-07-23 · quant-ph · 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{7LZQK2SCZJS7OUKQ66DRSDTSKC}

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	2026-05-18T01:42:32.468505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf3056a42ca65f75150f787190e7250b1ba3fba2c02a2f94d12cacbdf572bde

Aliases

arxiv: 1407.6407 · arxiv_version: 1407.6407v2 · doi: 10.48550/arxiv.1407.6407 · pith_short_12: 7LZQK2SCZJS7 · pith_short_16: 7LZQK2SCZJS7OUKQ · pith_short_8: 7LZQK2SC

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/7LZQK2SCZJS7OUKQ66DRSDTSKC \
  | 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: faf3056a42ca65f75150f787190e7250b1ba3fba2c02a2f94d12cacbdf572bde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec3a28a6f324cb41ffd9bade0401c6449f26908af00432c93fb3958d9a9d0e9e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-23T23:35:59Z",
    "title_canon_sha256": "02af61479f89d9b601499d15f828f95f25f76ff3cdf007047c34cf41704a9b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6407",
    "kind": "arxiv",
    "version": 2
  }
}