Pith Number

pith:S4QVJ5AQ

pith:2016:S4QVJ5AQH567CTCBASPY2KEF7S

not attested not anchored not stored refs pending

Selective De-noising of Sparse-Coloured Images

Arjun Chaudhuri

arxiv:1610.09455 v1 · 2016-10-29 · 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{S4QVJ5AQH567CTCBASPY2KEF7S}

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	2026-05-18T01:00:51.971293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

972154f4103f7df14c41049f8d2885fc86d77688b1d504601b20230ab75facd4

Aliases

arxiv: 1610.09455 · arxiv_version: 1610.09455v1 · doi: 10.48550/arxiv.1610.09455 · pith_short_12: S4QVJ5AQH567 · pith_short_16: S4QVJ5AQH567CTCB · pith_short_8: S4QVJ5AQ

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/S4QVJ5AQH567CTCBASPY2KEF7S \
  | 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: 972154f4103f7df14c41049f8d2885fc86d77688b1d504601b20230ab75facd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20d098d3df57418c632cb5a03b20ba38e341f496a61b2b55bfbc3a65ddd0f0c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-10-29T04:59:24Z",
    "title_canon_sha256": "4f387e9b30eeac1f62597e26d2e4014f353dfca68c3a13dcbb4a8a5e13b94ac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09455",
    "kind": "arxiv",
    "version": 1
  }
}