Pith Number

pith:FDARXGF2

pith:2020:FDARXGF2R3KHPHHNLET3WZWGNZ

not attested not anchored not stored refs pending

Classification and Generation of Light Sources Using Gamma Fitting

Gao Wang, Huaibin Zheng, Hui Chen, Jianbin Liu, Sheng Luo, Shuanghao Zhang, Yuchen He, Yu Zhou, Zhuo Xu

arxiv:2012.08881 v1 · 2020-12-16 · physics.optics · 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{FDARXGF2R3KHPHHNLET3WZWGNZ}

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	2026-07-05T02:00:04.440640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c11b98ba8ed4779ced5927bb66c66e7cb3215a73e6bd8e4350745749889fd4

Aliases

arxiv: 2012.08881 · arxiv_version: 2012.08881v1 · doi: 10.48550/arxiv.2012.08881 · pith_short_12: FDARXGF2R3KH · pith_short_16: FDARXGF2R3KHPHHN · pith_short_8: FDARXGF2

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/FDARXGF2R3KHPHHNLET3WZWGNZ \
  | 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: 28c11b98ba8ed4779ced5927bb66c66e7cb3215a73e6bd8e4350745749889fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab6394af11a59324130d892da82ee28eca061c2a72be0eba4293264a2da240d",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-12-16T11:46:54Z",
    "title_canon_sha256": "77d355b8184b72c2d4978e72c3c7dd856756164918025727cd32e3bb22bccdac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08881",
    "kind": "arxiv",
    "version": 1
  }
}