Pith Number

pith:JPNO7KMR

pith:2019:JPNO7KMRD2Z2WLAP6GOPMDMSJT

not attested not anchored not stored refs pending

Water window soft x-ray source enabled by 25-W few-cycle mid-IR OPCPA at 100 kHz

Christopher R. Phillips, Justinas Pupeikis, Lukas Gallmann, Nicolas Bigler, Pierre-Alexis Chevreuil, Ursula Keller

arxiv:1910.03236 v1 · 2019-10-08 · 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{JPNO7KMRD2Z2WLAP6GOPMDMSJT}

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	2026-07-05T03:10:36.431002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bdaefa9911eb3ab2c0ff19cf60d924cf5f4aa5e8c7aac8087bf2876d0e30308

Aliases

arxiv: 1910.03236 · arxiv_version: 1910.03236v1 · doi: 10.48550/arxiv.1910.03236 · pith_short_12: JPNO7KMRD2Z2 · pith_short_16: JPNO7KMRD2Z2WLAP · pith_short_8: JPNO7KMR

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/JPNO7KMRD2Z2WLAP6GOPMDMSJT \
  | 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: 4bdaefa9911eb3ab2c0ff19cf60d924cf5f4aa5e8c7aac8087bf2876d0e30308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1db060d401abdff90ebfb6e974262dfe43fd7ce5df330e69ec243e7ca29e691",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-10-08T06:50:02Z",
    "title_canon_sha256": "1c3844c1b4469d830df64b66b8ea06caef78390486db29ddef321e58f6152234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03236",
    "kind": "arxiv",
    "version": 1
  }
}