Pith Number

pith:K4EA2R6F

pith:2012:K4EA2R6F4BC2LA3CTR33SBF6CP

not attested not anchored not stored refs pending

Image quality in double- and triple-intensity ghost imaging with classical partially polarized light

Ari T. Friberg, Henri Kellock, Tero Set\"al\"a, Tomohiro Shirai

arxiv:1206.1766 v2 · 2012-06-08 · 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{K4EA2R6F4BC2LA3CTR33SBF6CP}

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	2026-05-18T03:42:22.343480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57080d47c5e045a583629c77b904be13dd33cbea42c26e90cd61c058c83ca809

Aliases

arxiv: 1206.1766 · arxiv_version: 1206.1766v2 · doi: 10.48550/arxiv.1206.1766 · pith_short_12: K4EA2R6F4BC2 · pith_short_16: K4EA2R6F4BC2LA3C · pith_short_8: K4EA2R6F

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/K4EA2R6F4BC2LA3CTR33SBF6CP \
  | 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: 57080d47c5e045a583629c77b904be13dd33cbea42c26e90cd61c058c83ca809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b052752fb7d592e520bc0d07fe5030c31bf2798700484a47780969a2bb00a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-06-08T14:07:54Z",
    "title_canon_sha256": "5d1dda0fe7444c032929d6ce7ee3d7ce31619ebe43771eb2fb54d210d93755fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1766",
    "kind": "arxiv",
    "version": 2
  }
}