Pith Number

pith:J7MKCEKF

pith:2025:J7MKCEKFDL2MATTOOGFF4RYMRK

not attested not anchored not stored refs pending

Quasi-perfect spatiotemporal optical vortex with suppressed mode degradation

Jun Liu, Renjing Chen, Ruxin Li, Shunlin Huang, Xiong Shen

arxiv:2502.11769 v1 · 2025-02-17 · 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{J7MKCEKFDL2MATTOOGFF4RYMRK}

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	2026-07-05T10:15:33.883392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fd8a111451af4c04e6e718a5e470c8aa15b359a2fcfcd7d55e8000b4f94881a

Aliases

arxiv: 2502.11769 · arxiv_version: 2502.11769v1 · doi: 10.48550/arxiv.2502.11769 · pith_short_12: J7MKCEKFDL2M · pith_short_16: J7MKCEKFDL2MATTO · pith_short_8: J7MKCEKF

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/J7MKCEKFDL2MATTOOGFF4RYMRK \
  | 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: 4fd8a111451af4c04e6e718a5e470c8aa15b359a2fcfcd7d55e8000b4f94881a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38f0f78b06557f76d696bee4e2f38d0798e6681afd5f43e1732995213d053f3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-02-17T12:59:41Z",
    "title_canon_sha256": "ea8a090b0aa42df06607ae41142ca068a96729f526ad91bda3f9047b554ef58b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11769",
    "kind": "arxiv",
    "version": 1
  }
}