Pith Number

pith:32NPBZB6

pith:2018:32NPBZB6SPWXXJOKX3B2RYYP5I

not attested not anchored not stored refs pending

Content-adaptive non-parametric texture similarity measure

Ghassan AlRegib, Motaz Alfarraj, Yazeed Alaudah

arxiv:1811.01980 v2 · 2018-11-05 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32NPBZB6SPWXXJOKX3B2RYYP5I}

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	2026-05-17T23:55:03.148934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9af0e43e93ed7ba5cabec3a8e30fea0cca06f4ba0b0f5a93bff424b2aea1ec

Aliases

arxiv: 1811.01980 · arxiv_version: 1811.01980v2 · doi: 10.48550/arxiv.1811.01980 · pith_short_12: 32NPBZB6SPWX · pith_short_16: 32NPBZB6SPWXXJOK · pith_short_8: 32NPBZB6

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/32NPBZB6SPWXXJOKX3B2RYYP5I \
  | 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: de9af0e43e93ed7ba5cabec3a8e30fea0cca06f4ba0b0f5a93bff424b2aea1ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac48c0233044a37766a3439ef78cc2d4f1002d8d48ae50b2bc499fe72294b07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-11-05T19:02:00Z",
    "title_canon_sha256": "478ce9925dac95454733008b9c704d53814a441b63fb53ab7621846c9dfbe3dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01980",
    "kind": "arxiv",
    "version": 2
  }
}