Pith Number

pith:MNOPTE3T

pith:2025:MNOPTE3TIKHYXV7CRPUDA5QOLX

not attested not anchored not stored refs pending

Geometric quantification of photonic 4D spin-orbit states

Chujun Zhao, Jia Cheng, Jian Wang, Jinman Chen, Liang Fang, Qinjun Chen, Senlin Huang, Shuangchun Wen, Xuqi Guo

arxiv:2507.08817 v1 · 2025-06-28 · 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{MNOPTE3TIKHYXV7CRPUDA5QOLX}

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	2026-07-05T11:35:58.626147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

635cf99373428f8bd7e28be830760e5dc6d2aeae37db27bb63a7f16dc3083a41

Aliases

arxiv: 2507.08817 · arxiv_version: 2507.08817v1 · doi: 10.48550/arxiv.2507.08817 · pith_short_12: MNOPTE3TIKHY · pith_short_16: MNOPTE3TIKHYXV7C · pith_short_8: MNOPTE3T

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/MNOPTE3TIKHYXV7CRPUDA5QOLX \
  | 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: 635cf99373428f8bd7e28be830760e5dc6d2aeae37db27bb63a7f16dc3083a41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6b7345175878b1319939fd62818ed4401eaad4c2f460e7e8edac296b281833",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-06-28T02:12:40Z",
    "title_canon_sha256": "ec7d2713c1c01499c3423c0efa9a94750d0d64dfbf7532ec0c1d0d02613962f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08817",
    "kind": "arxiv",
    "version": 1
  }
}