Pith Number

pith:Z53SM5GV

pith:2025:Z53SM5GV4HTLRGTDFU4DIBAR5V

not attested not anchored not stored refs pending

E-21 Level Instability Frequency Dissemination over 2067 km noisy Telecommunication Infrastructure

Cheng-Zhi Peng, Fa-Xi Chen, Fei Zhou, Hai-Feng Jiang, Jian-Wei Pan, Jian-Yu Guan, Jiu-Peng Chen, Kan Zhao, Lei Hou, Li-Bo Li, Qiang Zhang, Yang Xu

arxiv:2507.14192 v1 · 2025-07-14 · 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{Z53SM5GV4HTLRGTDFU4DIBAR5V}

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.

Cited by

1 paper in Pith

Hollow-Core Fiber for Long-Span Optical Frequency Transfer: Improved Instability and Extended Single-Span Reach

Receipt and verification

First computed	2026-06-24T01:14:21.288273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf772674d5e1e6b89a632d38340411ed5bbfff27d16be050967e1f0c8bafd783

Aliases

arxiv: 2507.14192 · arxiv_version: 2507.14192v1 · doi: 10.48550/arxiv.2507.14192 · pith_short_12: Z53SM5GV4HTL · pith_short_16: Z53SM5GV4HTLRGTD · pith_short_8: Z53SM5GV

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/Z53SM5GV4HTLRGTDFU4DIBAR5V \
  | 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: cf772674d5e1e6b89a632d38340411ed5bbfff27d16be050967e1f0c8bafd783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b50574c9dbb77d5bd8d38e918bd850e6a104ba31b66af1a13b3f261339777641",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-14T05:54:27Z",
    "title_canon_sha256": "74f04e2e3eb961eae812386a52f12f8ecf435ea5017cc993e2cec232e95a208f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14192",
    "kind": "arxiv",
    "version": 1
  }
}