Pith Number

pith:WRQ4WVK4

pith:2018:WRQ4WVK4WCYY37J5462U3ACLA2

not attested not anchored not stored refs pending

Design an Advance computer-aided tool for Image Authentication and Classification

Amirize Alpha Laadi, Masuri Othman, Rozita Teymourzadeh, Yazan Samir

arxiv:1808.02085 v1 · 2018-06-16 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRQ4WVK4WCYY37J5462U3ACLA2}

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	2026-05-18T00:08:47.656643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b461cb555cb0b18dfd3de7b54d804b06bfd5710b485aaa90ff95e728c2d1f88c

Aliases

arxiv: 1808.02085 · arxiv_version: 1808.02085v1 · doi: 10.48550/arxiv.1808.02085 · pith_short_12: WRQ4WVK4WCYY · pith_short_16: WRQ4WVK4WCYY37J5 · pith_short_8: WRQ4WVK4

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/WRQ4WVK4WCYY37J5462U3ACLA2 \
  | 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: b461cb555cb0b18dfd3de7b54d804b06bfd5710b485aaa90ff95e728c2d1f88c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126daf3550ac07df338ba1bcdefa0a6f6b2735eb288b49b44087837506f5c68b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-06-16T21:56:13Z",
    "title_canon_sha256": "c1c016ec3330e097d490fc5e31c1637eee0c150a38091cc9f10e686677a2407f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02085",
    "kind": "arxiv",
    "version": 1
  }
}