Pith Number

pith:WQZABOO3

pith:2013:WQZABOO3E7GWSJYPLJGVPEHTPM

not attested not anchored not stored refs pending

Hanbury Brown and Twiss interferometry at a free-electron laser

A. Shabalin, A. Singer, E. Weckert, F. Sorgenfrei, I. A. Vartanyants, J. Gulden, N. Gerasimova, O. M. Yefanov, R. Dronyak, R. P. Kurta, R. Treusch, U. Lorenz, V. Kocharyan, W. Wurth

arxiv:1301.6654 v1 · 2013-01-28 · 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	2026-05-18T03:10:26.770500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43200b9db27cd69270f5a4d5790f37b064a9f9e2484abdbccae01d1428395c8

Aliases

arxiv: 1301.6654 · arxiv_version: 1301.6654v1 · doi: 10.48550/arxiv.1301.6654 · pith_short_12: WQZABOO3E7GW · pith_short_16: WQZABOO3E7GWSJYP · pith_short_8: WQZABOO3

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/WQZABOO3E7GWSJYPLJGVPEHTPM \
  | 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: b43200b9db27cd69270f5a4d5790f37b064a9f9e2484abdbccae01d1428395c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1066c173986dc2049819c5b8b874742b2dd6cdb4c7e4f8552c660af7e9075e7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-01-28T19:45:42Z",
    "title_canon_sha256": "3de940c2646095e08e77c24f47787583d14ecf787b778d13926c3367dba35720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6654",
    "kind": "arxiv",
    "version": 1
  }
}