Pith Number

pith:SKQIPWMI

pith:2016:SKQIPWMI2X2QVFTQMYIABI3L3U

not attested not anchored not stored refs pending

UTSig: A Persian Offline Signature Dataset

Amir Soleimani, Babak N. Araabi, Kazim Fouladi

arxiv:1603.03235 v4 · 2016-03-10 · 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{SKQIPWMI2X2QVFTQMYIABI3L3U}

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	2026-05-18T01:09:12.613281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a087d988d5f50a9670661000a36bdd186b81f5bb3818cb4191193ee01d1a7c

Aliases

arxiv: 1603.03235 · arxiv_version: 1603.03235v4 · doi: 10.48550/arxiv.1603.03235 · pith_short_12: SKQIPWMI2X2Q · pith_short_16: SKQIPWMI2X2QVFTQ · pith_short_8: SKQIPWMI

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/SKQIPWMI2X2QVFTQMYIABI3L3U \
  | 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: 92a087d988d5f50a9670661000a36bdd186b81f5bb3818cb4191193ee01d1a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa304273528b96ee675ce46fe06d16f699219e866afaed3486554e2d8fe54d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-03-10T12:23:03Z",
    "title_canon_sha256": "7b2415fa7c05ea956bcda631df4200714081d54868f049243e0212ca3adbedf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03235",
    "kind": "arxiv",
    "version": 4
  }
}