Pith Number

pith:4GQY7FJK

pith:2009:4GQY7FJKBNSC3HREGGESWE3VNR

not attested not anchored not stored refs pending

Arbitrary multi-site two-photon excitation in four dimensions

Christian Stricker, Hans-A. Bachor, Richard Bowman, Stephen Redman, Vincent Ricardo Daria

arxiv:0907.1150 v2 · 2009-07-07 · physics.optics · physics.med-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{4GQY7FJKBNSC3HREGGESWE3VNR}

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	2026-05-18T02:13:04.858752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a18f952a0b642d9e2431892b13756c61ceb5a5627ab8a7b6ff163b146e0a00

Aliases

arxiv: 0907.1150 · arxiv_version: 0907.1150v2 · doi: 10.48550/arxiv.0907.1150 · pith_short_12: 4GQY7FJKBNSC · pith_short_16: 4GQY7FJKBNSC3HRE · pith_short_8: 4GQY7FJK

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/4GQY7FJKBNSC3HREGGESWE3VNR \
  | 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: e1a18f952a0b642d9e2431892b13756c61ceb5a5627ab8a7b6ff163b146e0a00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "171b4977d2cd46e179299b9beb008c437fab8d0854af2ad4c2f18918b6c56da1",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-07-07T06:43:11Z",
    "title_canon_sha256": "5ead652dba862b0b4905788d933f2f8f2c2a19d2da5276823f7a0932e1e6ee85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1150",
    "kind": "arxiv",
    "version": 2
  }
}