Pith Number

pith:PXJDQLX5

pith:2014:PXJDQLX5YO7TYPVZJNYTND45GP

not attested not anchored not stored refs pending

Unified quantification of nonclassicality and entanglement

J. Sperling, W. Vogel

arxiv:1401.5222 v2 · 2014-01-21 · 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{PXJDQLX5YO7TYPVZJNYTND45GP}

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	2026-05-18T01:45:18.534618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dd2382efdc3bf3c3eb94b71368f9d33fd9dd6ef086ea1fd0b8852c5a1507246

Aliases

arxiv: 1401.5222 · arxiv_version: 1401.5222v2 · doi: 10.48550/arxiv.1401.5222 · pith_short_12: PXJDQLX5YO7T · pith_short_16: PXJDQLX5YO7TYPVZ · pith_short_8: PXJDQLX5

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/PXJDQLX5YO7TYPVZJNYTND45GP \
  | 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: 7dd2382efdc3bf3c3eb94b71368f9d33fd9dd6ef086ea1fd0b8852c5a1507246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "336cb9f66fdb32c680e740a694de99af395cc8699155c99dffdfd9ba7501c0ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-21T08:51:48Z",
    "title_canon_sha256": "64e32e545263b8d548d72925fc88cdbc44962512985016da87fc05f3c2366c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5222",
    "kind": "arxiv",
    "version": 2
  }
}