Pith Number

pith:QF2NT5Y3

pith:2016:QF2NT5Y3L4Z2IWWLSJ4SJXG2OW

not attested not anchored not stored refs pending

Language free character recognition using character sketch and center of gravity shifting

Fakhereh Rahimi, Masoud Nosrati, Ronak Karimi

arxiv:1608.01391 v1 · 2016-08-03 · 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{QF2NT5Y3L4Z2IWWLSJ4SJXG2OW}

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	2026-05-18T01:09:52.620098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8174d9f71b5f33a45acb927924dcda758e70418be7f3586931d650883d3776e2

Aliases

arxiv: 1608.01391 · arxiv_version: 1608.01391v1 · doi: 10.48550/arxiv.1608.01391 · pith_short_12: QF2NT5Y3L4Z2 · pith_short_16: QF2NT5Y3L4Z2IWWL · pith_short_8: QF2NT5Y3

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/QF2NT5Y3L4Z2IWWLSJ4SJXG2OW \
  | 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: 8174d9f71b5f33a45acb927924dcda758e70418be7f3586931d650883d3776e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc33fbfaee9f4dd69babc32fcea0d8d1e47690bb189a87b06c05c411aabe158",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-03T23:13:01Z",
    "title_canon_sha256": "304cadd73653b9fbec8aa93342cbcc09036a00d1167d3397e05e8a06ed04de25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01391",
    "kind": "arxiv",
    "version": 1
  }
}