Pith Number

pith:P2UV3LDG

pith:2016:P2UV3LDGGKNNVN2XVH6SRQIBDH

not attested not anchored not stored refs pending

Super-critical phasematching for photon pair generation in structured light modes

Ebrahim Karimi, Jeff S. Lundeen, Lambert Giner, Rebecca Y. Saaltink, Robert W. Boyd

arxiv:1610.01454 v1 · 2016-10-05 · 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{P2UV3LDGGKNNVN2XVH6SRQIBDH}

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	2026-05-18T01:02:23.286135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea95dac66329adab757a9fd28c10119f55ecd0e7d1ebeb2ecc8499bd7e50147

Aliases

arxiv: 1610.01454 · arxiv_version: 1610.01454v1 · doi: 10.48550/arxiv.1610.01454 · pith_short_12: P2UV3LDGGKNN · pith_short_16: P2UV3LDGGKNNVN2X · pith_short_8: P2UV3LDG

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/P2UV3LDGGKNNVN2XVH6SRQIBDH \
  | 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: 7ea95dac66329adab757a9fd28c10119f55ecd0e7d1ebeb2ecc8499bd7e50147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "922c3b0f474805a16c49771d3bf4366693cf8ee5db3c3e39f9de56d6f652057a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-10-05T14:41:50Z",
    "title_canon_sha256": "54acd8dfe2d8a6a1a07d9c7db8c3999718e8fd16905c18344699806ba6da4f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.01454",
    "kind": "arxiv",
    "version": 1
  }
}