Pith Number

pith:CNIUBLGA

pith:2016:CNIUBLGAR7BMUCDVS73A224ESG

not attested not anchored not stored refs pending

Universal threshold for femtosecond laser ablation with oblique illumination

Massimo Petrarca, Pavel Polynkin, Weibo Cheng, Xiao-Long Liu

arxiv:1608.05884 v2 · 2016-08-21 · 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{CNIUBLGAR7BMUCDVS73A224ESG}

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	2026-05-18T00:57:26.412144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

135140acc08fc2ca087597f60d6b8491b216958eeeb65137147919e984ef2759

Aliases

arxiv: 1608.05884 · arxiv_version: 1608.05884v2 · doi: 10.48550/arxiv.1608.05884 · pith_short_12: CNIUBLGAR7BM · pith_short_16: CNIUBLGAR7BMUCDV · pith_short_8: CNIUBLGA

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/CNIUBLGAR7BMUCDVS73A224ESG \
  | 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: 135140acc08fc2ca087597f60d6b8491b216958eeeb65137147919e984ef2759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59a3d0c2f5fa948abf61521f49b651a9629131ff1eaf7ebc598d49cc0527f6e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-08-21T01:00:05Z",
    "title_canon_sha256": "797b9509bdce9474c40b7cb84f5438389d70801994fe4254bba136bca7495f87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05884",
    "kind": "arxiv",
    "version": 2
  }
}