Pith Number

pith:UCBYID2M

pith:2019:UCBYID2MHWEAGFIH4R2K4MQJQJ

not attested not anchored not stored refs pending

Role of the laser chirp parameter in photoionisation

Imre Ferenc Barna, Mih\'aly Andr\'as Pocsai

arxiv:1908.10918 v1 · 2019-08-28 · physics.atom-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{UCBYID2MHWEAGFIH4R2K4MQJQJ}

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	2026-07-05T00:00:28.603876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a083840f4c3d88031507e474ae320982421326b22cdef85553cb354dedb0eb81

Aliases

arxiv: 1908.10918 · arxiv_version: 1908.10918v1 · doi: 10.48550/arxiv.1908.10918 · pith_short_12: UCBYID2MHWEA · pith_short_16: UCBYID2MHWEAGFIH · pith_short_8: UCBYID2M

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/UCBYID2MHWEAGFIH4R2K4MQJQJ \
  | 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: a083840f4c3d88031507e474ae320982421326b22cdef85553cb354dedb0eb81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c614fe655266baafda87fe22288fd640e33f15974beaa48eed90a5109523d02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-08-28T19:32:14Z",
    "title_canon_sha256": "944675a572a41ac5fe2b729d6923b1251d538d746d13d4bd1b6a5083f333fc0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10918",
    "kind": "arxiv",
    "version": 1
  }
}