Pith Number

pith:M4OJZEAP

pith:2012:M4OJZEAPYEG64CSLEINBSHQP47

not attested not anchored not stored refs pending

Attosecond pulses at kiloelectronvolt photon energies from high-order harmonic generation with core electrons

Christian Buth, Christoph H. Keitel, Feng He, Joachim Ullrich, Karen Z. Hatsagortsyan

arxiv:1203.4127 v2 · 2012-03-19 · physics.atom-ph · 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{M4OJZEAPYEG64CSLEINBSHQP47}

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	2026-05-18T02:37:59.071538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

671c9c900fc10dee0a4b221a191e0fe7d61a95776e3caa82b79a3fa28399c01c

Aliases

arxiv: 1203.4127 · arxiv_version: 1203.4127v2 · doi: 10.48550/arxiv.1203.4127 · pith_short_12: M4OJZEAPYEG6 · pith_short_16: M4OJZEAPYEG64CSL · pith_short_8: M4OJZEAP

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/M4OJZEAPYEG64CSLEINBSHQP47 \
  | 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: 671c9c900fc10dee0a4b221a191e0fe7d61a95776e3caa82b79a3fa28399c01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7dd4e059b83ba7f95a4a4d64cc39b5df28753034c96d0bacc1a3e5b57bca590",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-03-19T15:01:04Z",
    "title_canon_sha256": "d621e315935ab4eb0a5f4426b2e8ad10730791a4270011823fa73f5d1a4e966f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4127",
    "kind": "arxiv",
    "version": 2
  }
}