Pith Number

pith:7MARRT23

pith:2009:7MARRT23N47AARMZ6C7LKVTDK6

not attested not anchored not stored refs pending

Direct Measurement of Kirkwood-Rihaczek distribution for spatial properties of coherent light beam

Kim Fook Lee, Viktor Bollen, Yong Meng Sua

arxiv:0912.5251 v1 · 2009-12-30 · quant-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{7MARRT23N47AARMZ6C7LKVTDK6}

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	2026-05-18T02:10:13.394249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0118cf5b6f3e004599f0beb5566357b5ddcfc796453b4985e13f310c878c18

Aliases

arxiv: 0912.5251 · arxiv_version: 0912.5251v1 · doi: 10.48550/arxiv.0912.5251 · pith_short_12: 7MARRT23N47A · pith_short_16: 7MARRT23N47AARMZ · pith_short_8: 7MARRT23

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/7MARRT23N47AARMZ6C7LKVTDK6 \
  | 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: fb0118cf5b6f3e004599f0beb5566357b5ddcfc796453b4985e13f310c878c18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf5e7c6a18873b097162d96fb992807000f55fd06bf5dbb8416dc192572810f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-30T13:59:46Z",
    "title_canon_sha256": "a31e61ecc6c613a7d5c3680acbadad14d10657f14a7b1edd6b990f16057c5fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5251",
    "kind": "arxiv",
    "version": 1
  }
}