Pith Number

pith:NBZPCRDH

pith:2014:NBZPCRDH5IB3CQRFXZZVGA55SZ

not attested not anchored not stored refs pending

The Feynman problem and Fermionic entanglement: Fermionic theory versus qubit theory

Alessandro Tosini, Franco Manessi, Giacomo Mauro D'Ariano, Paolo Perinotti

arxiv:1403.2674 v2 · 2014-03-11 · 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{NBZPCRDH5IB3CQRFXZZVGA55SZ}

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	2026-05-18T02:50:02.392751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6872f14467ea03b14225be735303bd965eb261d3869849e04d662e1797843f3a

Aliases

arxiv: 1403.2674 · arxiv_version: 1403.2674v2 · doi: 10.48550/arxiv.1403.2674 · pith_short_12: NBZPCRDH5IB3 · pith_short_16: NBZPCRDH5IB3CQRF · pith_short_8: NBZPCRDH

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/NBZPCRDH5IB3CQRFXZZVGA55SZ \
  | 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: 6872f14467ea03b14225be735303bd965eb261d3869849e04d662e1797843f3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2c8c31501f735a46cd9613526931b0f99a3de6b85c6e19b21237085465137e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-11T18:24:19Z",
    "title_canon_sha256": "4efbd20c3abec90a803a0d67414d6400c71d3668103a983c928a88081f25d7de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2674",
    "kind": "arxiv",
    "version": 2
  }
}