Pith Number

pith:X6VIE3NM

pith:2017:X6VIE3NMLHCLEBSBW567YSHOOR

not attested not anchored not stored refs pending

Classification Problem in a Quantum Framework

Enrica Santucci, Giuseppe Sergioli

arxiv:1704.06475 v1 · 2017-04-21 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6VIE3NMLHCLEBSBW567YSHOOR}

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	2026-05-18T00:45:59.601650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfaa826dac59c4b20641b77dfc48ee744216854445efdb10ce330e3e40cf41a4

Aliases

arxiv: 1704.06475 · arxiv_version: 1704.06475v1 · doi: 10.48550/arxiv.1704.06475 · pith_short_12: X6VIE3NMLHCL · pith_short_16: X6VIE3NMLHCLEBSB · pith_short_8: X6VIE3NM

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/X6VIE3NMLHCLEBSBW567YSHOOR \
  | 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: bfaa826dac59c4b20641b77dfc48ee744216854445efdb10ce330e3e40cf41a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810c0209fca2dfe3b440825949bc5aee52175f5190c51da104bfe64325d4c32e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-21T10:50:41Z",
    "title_canon_sha256": "bd6caecbfaf411bc4a73bb62a44e71c7eced1faf05241f34792b72609741f08d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06475",
    "kind": "arxiv",
    "version": 1
  }
}