Pith Number

pith:7QGDFY66

pith:2016:7QGDFY66DS5SH3FLSQD4CUFCP6

not attested not anchored not stored refs pending

Digital spiral object identification using random light

Boshen Gao, Guilu Long, Lu Gao, Mohammad Mirhosseini, Omar S. Magana-Loaiza, Robert W. Boyd, Seyed Mohammad Hashemi Rafsanjani, Yiyu Zhou, Zhe Yang

arxiv:1609.08741 v2 · 2016-09-28 · quant-ph · 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{7QGDFY66DS5SH3FLSQD4CUFCP6}

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	2026-05-18T00:50:37.663412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0c32e3de1cbb23ecab9407c150a27fbbb5a84071426de98fd4aff499bb9766

Aliases

arxiv: 1609.08741 · arxiv_version: 1609.08741v2 · doi: 10.48550/arxiv.1609.08741 · pith_short_12: 7QGDFY66DS5S · pith_short_16: 7QGDFY66DS5SH3FL · pith_short_8: 7QGDFY66

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/7QGDFY66DS5SH3FLSQD4CUFCP6 \
  | 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: fc0c32e3de1cbb23ecab9407c150a27fbbb5a84071426de98fd4aff499bb9766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3573c0a671b4edca37296784f8909a9022d6fe89687820cecaea36e29e9566f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-28T02:43:15Z",
    "title_canon_sha256": "c6c818ad83af4626ee6335c4822b6420c43eb281ac6dbceb557b6b6002e55cb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08741",
    "kind": "arxiv",
    "version": 2
  }
}