Pith. sign in
Pith Number

pith:4ZXFVJNC

pith:2019:4ZXFVJNCRS2S43OGXL2UL5TFKX
not attested not anchored not stored refs pending

Polarized positron beams via intense two-color laser pulses

Christoph H. Keitel, Karen Z. Hatsagortsyan, Pei-Lun He, Rashid Shaisultanov, Yue-Yue Chen

arxiv:1904.04110 v1 · 2019-04-08 · physics.plasm-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4ZXFVJNCRS2S43OGXL2UL5TFKX}

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 2026-07-05T00:15:36.197774Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e66e5aa5a28cb52e6dc6baf545f66555eccdd94700092844c608d6856398538f

Aliases

arxiv: 1904.04110 · arxiv_version: 1904.04110v1 · doi: 10.48550/arxiv.1904.04110 · pith_short_12: 4ZXFVJNCRS2S · pith_short_16: 4ZXFVJNCRS2S43OG · pith_short_8: 4ZXFVJNC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4ZXFVJNCRS2S43OGXL2UL5TFKX \
  | 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: e66e5aa5a28cb52e6dc6baf545f66555eccdd94700092844c608d6856398538f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd938552e8d2bba98925ade6ee86a035e33e7aa149f6c541fe8dcf1c4cc662d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-04-08T15:02:06Z",
    "title_canon_sha256": "3bc32afb5072e55255a196d8388aea955adbed0ae19c8dd5b7a9843446be039c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04110",
    "kind": "arxiv",
    "version": 1
  }
}