Pith Number

pith:2SIN5YQY

pith:2025:2SIN5YQYNQTNYJ5PVMJTOL6GT2

not attested not anchored not stored refs pending

Tunable megawatt-scale sub-20 fs visible pulses from a fiber laser source

James M. Stone, John C. Travers, Kerrianne Harrington, Leah R. Murphy, Mohammed Sabbah, Robbie Mears, Tim A. Birks

arxiv:2502.01322 v2 · 2025-02-03 · 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{2SIN5YQYNQTNYJ5PVMJTOL6GT2}

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	2026-07-05T11:22:36.235450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d490dee2186c26dc27afab13372fc69e8c8568f1beb008047acb68c242dde64a

Aliases

arxiv: 2502.01322 · arxiv_version: 2502.01322v2 · doi: 10.48550/arxiv.2502.01322 · pith_short_12: 2SIN5YQYNQTN · pith_short_16: 2SIN5YQYNQTNYJ5P · pith_short_8: 2SIN5YQY

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/2SIN5YQYNQTNYJ5PVMJTOL6GT2 \
  | 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: d490dee2186c26dc27afab13372fc69e8c8568f1beb008047acb68c242dde64a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba9cc5172444094fc50f64749c75e91dbf653016363231483e0981a2442f10d0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-02-03T12:53:21Z",
    "title_canon_sha256": "f63bb30f8a0c5a4039f1888015da19dcf71b2e9b8aa9d47e80727f21485f3bbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01322",
    "kind": "arxiv",
    "version": 2
  }
}