Pith Number

pith:J4J7LYDP

pith:2021:J4J7LYDP4BAGSX3EBNWOXIF2KI

not attested not anchored not stored refs pending

Transverse Ultrafast Laser Inscription in Bulk Silicon

C. Gaida, F. Sotier, J. Limpert, M. Blothe, M. Chambonneau, M. Gebhardt, Q. Li, S. Nolte, S. Tertelmann, S. Tzortzakis, T. Heuermann, V. Yu. Fedorov

arxiv:2104.12084 v1 · 2021-04-25 · 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{J4J7LYDP4BAGSX3EBNWOXIF2KI}

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	2026-07-05T03:29:28.820049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f13f5e06fe040695f640b6ceba0ba523f564086cf0e178d9c5f0c1409cd7d6f

Aliases

arxiv: 2104.12084 · arxiv_version: 2104.12084v1 · doi: 10.48550/arxiv.2104.12084 · pith_short_12: J4J7LYDP4BAG · pith_short_16: J4J7LYDP4BAGSX3E · pith_short_8: J4J7LYDP

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/J4J7LYDP4BAGSX3EBNWOXIF2KI \
  | 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: 4f13f5e06fe040695f640b6ceba0ba523f564086cf0e178d9c5f0c1409cd7d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30786c80001c76406ae9796948caf230b87583b15f8dba56ca97b98dcf774d42",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-04-25T07:05:13Z",
    "title_canon_sha256": "e260e70c1e47ad2d42ad6510d1598282d7cf21bb378f62da74ae09328fe3b269"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12084",
    "kind": "arxiv",
    "version": 1
  }
}