Pith Number

pith:2S7CLPCM

pith:2025:2S7CLPCME5UBJ56ZDYWAMJOJPI

not attested not anchored not stored refs pending

Towards direct nonlinear compression of energetic sub-nanosecond pulses to the ultrafast regime

Anne-Lise Viotti, Ayhan Tajalli, Gaspard Beaufort, Gunnar Arisholm, Ingmar Hartl, Marcus Seidel, Nayla Jimenez, Victor Hariton

arxiv:2507.20883 v1 · 2025-07-28 · 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{2S7CLPCME5UBJ56ZDYWAMJOJPI}

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	2026-05-20T14:03:19.850439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4be25bc4c276814f7d91e2c0625c97a2be57d4d3f48a5817285e48ac2fd562a

Aliases

arxiv: 2507.20883 · arxiv_version: 2507.20883v1 · doi: 10.48550/arxiv.2507.20883 · pith_short_12: 2S7CLPCME5UB · pith_short_16: 2S7CLPCME5UBJ56Z · pith_short_8: 2S7CLPCM

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/2S7CLPCME5UBJ56ZDYWAMJOJPI \
  | 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: d4be25bc4c276814f7d91e2c0625c97a2be57d4d3f48a5817285e48ac2fd562a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab7259170506121e0946b8ff25c251dbb3f666c5c4aeafd8f4263ab01bf4bfd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-07-28T14:36:26Z",
    "title_canon_sha256": "3d38f903c74388b1e499b03939f31f46dba1575ce002fb75f868daad35610ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20883",
    "kind": "arxiv",
    "version": 1
  }
}