Pith Number

pith:77ABP5W5

pith:2021:77ABP5W5D2UOJDIYL6CBOU3CJG

not attested not anchored not stored refs pending

Physics-based Noise Modeling for Extreme Low-light Photography

Jiaolong Yang, Kaixuan Wei, Ying Fu, Yinqiang Zheng

arxiv:2108.02158 v1 · 2021-08-04 · eess.IV · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77ABP5W5D2UOJDIYL6CBOU3CJG}

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	2026-07-05T03:03:22.118369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc017f6dd1ea8e48d185f8417536249adcc4f01feca55ac666dc9d19af16d92

Aliases

arxiv: 2108.02158 · arxiv_version: 2108.02158v1 · doi: 10.48550/arxiv.2108.02158 · pith_short_12: 77ABP5W5D2UO · pith_short_16: 77ABP5W5D2UOJDIY · pith_short_8: 77ABP5W5

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/77ABP5W5D2UOJDIYL6CBOU3CJG \
  | 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: ffc017f6dd1ea8e48d185f8417536249adcc4f01feca55ac666dc9d19af16d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fcd8e06ac9129ffb8a8a85f8e128f1bc779d043b435b18f1894b383b4672e96",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-04T16:36:29Z",
    "title_canon_sha256": "148cc0ba83ee34d41f0617963260e8066964790b5ae674ff40dc6e2e59b608f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02158",
    "kind": "arxiv",
    "version": 1
  }
}