Pith Number

pith:APR3ZBHE

pith:2009:APR3ZBHEWHPPUFQVAG6QUMRF6C

not attested not anchored not stored refs pending

Intense high contrast femtosecond K-shell x-ray source from laser-driven Ar clusters

F. Liu, J. L. Ma, J. Zhang, L. M. Chen, M. Kando, S. V. Bulanov, T. Tajima, W. M. Wang, X. X. Lin, Y. Kato, Y. T. Li, Z. M. Sheng

arxiv:0907.3421 v1 · 2009-07-20 · physics.plasm-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T03:23:58.688000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e3bc84e4b1defa161501bd0a3225f08720ce720a3972aa0affa66e0604a8ae

Aliases

arxiv: 0907.3421 · arxiv_version: 0907.3421v1 · doi: 10.48550/arxiv.0907.3421 · pith_short_12: APR3ZBHEWHPP · pith_short_16: APR3ZBHEWHPPUFQV · pith_short_8: APR3ZBHE

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/APR3ZBHEWHPPUFQVAG6QUMRF6C \
  | 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: 03e3bc84e4b1defa161501bd0a3225f08720ce720a3972aa0affa66e0604a8ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4e2e9d540e978a32cbd8aa42b4cca137456dd86c7a526b3b78b9828a27a2d29",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2009-07-20T15:17:53Z",
    "title_canon_sha256": "30f7fcce34d20b140329ed68f9691da7fce5c91c7a53bd0535d0b2707cd569d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3421",
    "kind": "arxiv",
    "version": 1
  }
}