Pith Number

pith:MMWCMDH3

pith:2022:MMWCMDH3CZLXU7JGKHKT7CFUBY

not attested not anchored not stored refs pending

R-Theta Local Neighborhood Pattern for Unconstrained Facial Image Recognition and Retrieval

Pavan Chakraborty, Satish Kumar Singh, Soumendu Chakraborty

arxiv:2201.00504 v1 · 2022-01-03 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMWCMDH3CZLXU7JGKHKT7CFUBY}

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	2026-07-05T03:45:03.369750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

632c260cfb16577a7d2651d53f88b40e39f9ba4461f046ea13ebe5d1feb2dbfd

Aliases

arxiv: 2201.00504 · arxiv_version: 2201.00504v1 · doi: 10.48550/arxiv.2201.00504 · pith_short_12: MMWCMDH3CZLX · pith_short_16: MMWCMDH3CZLXU7JG · pith_short_8: MMWCMDH3

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/MMWCMDH3CZLXU7JGKHKT7CFUBY \
  | 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: 632c260cfb16577a7d2651d53f88b40e39f9ba4461f046ea13ebe5d1feb2dbfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a46d4dc7701bab674d1ff39504cc0f54c9f5dc483c880dd63fef2b8400b2edf",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-03T07:39:23Z",
    "title_canon_sha256": "f2f04011bbc2808b3182d7cb3b7b00a072c145e59d5c479888fad4e4c1f60cd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.00504",
    "kind": "arxiv",
    "version": 1
  }
}