Pith Number

pith:BQWF5ZGV

pith:2021:BQWF5ZGVWPFLN5CPT25YZZMMSV

not attested not anchored not stored refs pending

Theoretical analysis of a Polarized Two-Photon Michelson Interferometer with Broadband Chaotic Light

F. Li, H. Chen, H. Zheng, J. Liu, S. Luo, Y. He, Y. Liu, Y. Zhou, Z. Xu

arxiv:2108.09719 v2 · 2021-08-22 · 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{BQWF5ZGVWPFLN5CPT25YZZMMSV}

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	2026-07-05T03:10:13.637980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2c5ee4d5b3cab6f44f9ebb8ce58c956ed7b98d109b39cbfcf5910fe98846c6

Aliases

arxiv: 2108.09719 · arxiv_version: 2108.09719v2 · doi: 10.48550/arxiv.2108.09719 · pith_short_12: BQWF5ZGVWPFL · pith_short_16: BQWF5ZGVWPFLN5CP · pith_short_8: BQWF5ZGV

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/BQWF5ZGVWPFLN5CPT25YZZMMSV \
  | 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: 0c2c5ee4d5b3cab6f44f9ebb8ce58c956ed7b98d109b39cbfcf5910fe98846c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4d1c3a64cabc07b5b3e875f1667816292b1d3761b8201369d967a46319adaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-22T13:26:54Z",
    "title_canon_sha256": "107f6fe378800fefeb1775a4b0e7d39ca8b9eb2aa0c38f8fb55003e6099c1b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09719",
    "kind": "arxiv",
    "version": 2
  }
}