Pith Number

pith:DZQK6WYO

pith:2025:DZQK6WYOEM5W37XFMVSBSLMHPI

not attested not anchored not stored refs pending

Cascaded frequency conversion of highly charged femtosecond spatiotemporal optical vortices

Dan Wang, Enliang Zhang, Grover A. Swartzlander, Jianhua Hu, Jinxin Wu, Ming Wang, Qingqing Liang, Qiyuan Zhang, Yi Liu

arxiv:2507.02471 v1 · 2025-07-03 · 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{DZQK6WYOEM5W37XFMVSBSLMHPI}

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	2026-07-05T11:31:18.903622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e60af5b0e233b6dfee56564192d877a393931769e84d7b527ff8294840fdd0f

Aliases

arxiv: 2507.02471 · arxiv_version: 2507.02471v1 · doi: 10.48550/arxiv.2507.02471 · pith_short_12: DZQK6WYOEM5W · pith_short_16: DZQK6WYOEM5W37XF · pith_short_8: DZQK6WYO

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/DZQK6WYOEM5W37XFMVSBSLMHPI \
  | 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: 1e60af5b0e233b6dfee56564192d877a393931769e84d7b527ff8294840fdd0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2daeb081682281ba66f5b2c711b091b53723aaf13af29aa115ae6cd8716466",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-03T09:28:54Z",
    "title_canon_sha256": "6a1341900749966fd7e4c1d74c848f1cfe57e87b88920946705d9371fc5ebe55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02471",
    "kind": "arxiv",
    "version": 1
  }
}