Pith Number

pith:YWWFOEA7

pith:2023:YWWFOEA7XEWDSUWLVXOGC7KFGT

not attested not anchored not stored refs pending

Single-frequency lasers' linewidth elegantly characterized with Sigmoid functions of observation time

Xiaosong Ma, X. Steve Yao

arxiv:2309.08885 v1 · 2023-09-16 · 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{YWWFOEA7XEWDSUWLVXOGC7KFGT}

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	2026-07-05T06:51:30.989717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ac57101fb92c3952cbaddc617d4534d671191bf1ad1f74bcfa1021ce447ec8

Aliases

arxiv: 2309.08885 · arxiv_version: 2309.08885v1 · doi: 10.48550/arxiv.2309.08885 · pith_short_12: YWWFOEA7XEWD · pith_short_16: YWWFOEA7XEWDSUWL · pith_short_8: YWWFOEA7

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/YWWFOEA7XEWDSUWLVXOGC7KFGT \
  | 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: c5ac57101fb92c3952cbaddc617d4534d671191bf1ad1f74bcfa1021ce447ec8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3155908711b91e95278611c4873fdfb3a5f89ba4bb7a92140b686d90087b44",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-09-16T05:37:59Z",
    "title_canon_sha256": "b0a2d5a63a20938e9afa72d0e0deae131f243bb7e3e3207b833be80ea9407cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.08885",
    "kind": "arxiv",
    "version": 1
  }
}