Pith Number

pith:CIDOS2UF

pith:2015:CIDOS2UFEZBSAU5XG7TTFR6DNP

not attested not anchored not stored refs pending

Visual Learning of Arithmetic Operations

Shmuel Peleg, Yedid Hoshen

arxiv:1506.02264 v2 · 2015-06-07 · cs.LG · cs.AI · 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{CIDOS2UFEZBSAU5XG7TTFR6DNP}

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	2026-05-18T00:53:21.115387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1206e96a8526432053b737e732c7c36bd00a30f9ab175e91ccd311db171bf023

Aliases

arxiv: 1506.02264 · arxiv_version: 1506.02264v2 · doi: 10.48550/arxiv.1506.02264 · pith_short_12: CIDOS2UFEZBS · pith_short_16: CIDOS2UFEZBSAU5X · pith_short_8: CIDOS2UF

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/CIDOS2UFEZBSAU5XG7TTFR6DNP \
  | 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: 1206e96a8526432053b737e732c7c36bd00a30f9ab175e91ccd311db171bf023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06cc87a207f8f9533c24cc4eaedb089902c2e6eec56efeb471ece59e070acb1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-07T13:44:15Z",
    "title_canon_sha256": "44a0af23976d44b190524f68aed3a087cb42cd1ec001ff6cd376c5aa98140fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02264",
    "kind": "arxiv",
    "version": 2
  }
}