Pith Number

pith:6OQVA42A

pith:2019:6OQVA42AC4V5ZB4ILOU2IHF752

not attested not anchored not stored refs pending

Sub-surface modifications in silicon with ultrashort pulsed lasers above 2 microns

Andreas Erbe, Evgeni Sorokin, Ignas Astrauskas, Irina T. Sorokina, Nikolai Tolstik, Paul Dalla Valle, Petra Ebbinghaus, Roland A. Richter, Sebastien Rigaud, Vladimir Kalashnikov

arxiv:1907.13186 v2 · 2019-07-30 · physics.optics · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OQVA42AC4V5ZB4ILOU2IHF752}

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	2026-07-05T01:29:39.444621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3a1507340172bdc87885ba9a41cbfeea10675517d57876e0bfa12c02cdbb997

Aliases

arxiv: 1907.13186 · arxiv_version: 1907.13186v2 · doi: 10.48550/arxiv.1907.13186 · pith_short_12: 6OQVA42AC4V5 · pith_short_16: 6OQVA42AC4V5ZB4I · pith_short_8: 6OQVA42A

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/6OQVA42AC4V5ZB4ILOU2IHF752 \
  | 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: f3a1507340172bdc87885ba9a41cbfeea10675517d57876e0bfa12c02cdbb997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c64292bca9d694c6a8f4b1f38a45a6ac4b078ed487233510ab9b5bc309056bb6",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-07-30T19:09:51Z",
    "title_canon_sha256": "2c9bebc32ad7dc3ae90989f80b3cebd399a468f1c4fee0330724e952a4a14731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13186",
    "kind": "arxiv",
    "version": 2
  }
}