Pith Number

pith:4ABQ7RPT

pith:2012:4ABQ7RPTFNHBSRI3PEYYMJVT5F

not attested not anchored not stored refs pending

Nonclassicality witnesses and entanglement creation

F. E. S. Steinhoff

arxiv:1204.1794 v1 · 2012-04-09 · 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{4ABQ7RPTFNHBSRI3PEYYMJVT5F}

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	2026-05-18T03:58:15.169337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0030fc5f32b4e19451b79318626b3e96d4ec0e71abd8c3b62d2e871dab83cbc

Aliases

arxiv: 1204.1794 · arxiv_version: 1204.1794v1 · doi: 10.48550/arxiv.1204.1794 · pith_short_12: 4ABQ7RPTFNHB · pith_short_16: 4ABQ7RPTFNHBSRI3 · pith_short_8: 4ABQ7RPT

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/4ABQ7RPTFNHBSRI3PEYYMJVT5F \
  | 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: e0030fc5f32b4e19451b79318626b3e96d4ec0e71abd8c3b62d2e871dab83cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29383dc4c85dc61c82da981ce49438a6898b16919cca4a5033d53c9f63fbe9c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-09T05:25:43Z",
    "title_canon_sha256": "c708c76345776ed1565146873426775cb530040bf230eabb2c77d147efd7ad34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1794",
    "kind": "arxiv",
    "version": 1
  }
}