Pith Number

pith:XCMKNJSY

pith:2025:XCMKNJSYIXDSXTAY3YP44KGAAM

not attested not anchored not stored refs pending

Fiber-based mid-infrared frequency-swept laser at 50 MScans/s via frequency down-conversion of time-stretched pulses

Kazuki Hashimoto, Makoto Shoshin, Takahiro Kageyama, Takuma Nakamura, Takuro Ideguchi

arxiv:2501.01641 v1 · 2025-01-03 · 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{XCMKNJSYIXDSXTAY3YP44KGAAM}

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	2026-07-05T10:58:22.113982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b898a6a65845c72bcc18de1fce28c00312a343da27a88cb5f334a745b044debb

Aliases

arxiv: 2501.01641 · arxiv_version: 2501.01641v1 · doi: 10.48550/arxiv.2501.01641 · pith_short_12: XCMKNJSYIXDS · pith_short_16: XCMKNJSYIXDSXTAY · pith_short_8: XCMKNJSY

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/XCMKNJSYIXDSXTAY3YP44KGAAM \
  | 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: b898a6a65845c72bcc18de1fce28c00312a343da27a88cb5f334a745b044debb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3319a93c1c3da536057a2cd132b71b4d7b5427baba4df92effa6d56639b28491",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-01-03T05:20:48Z",
    "title_canon_sha256": "508a35969131c6ea9ac0c0ef86942d461d7af27ff8e6e321aac6f9a4d0a45c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01641",
    "kind": "arxiv",
    "version": 1
  }
}