Pith Number

pith:RWFH6IDN

pith:2014:RWFH6IDNK6Q5C2YCCMQPV2WEKK

not attested not anchored not stored refs pending

QBism and the Greeks: why a quantum state does not represent an element of physical reality

Christopher A. Fuchs, Ruediger Schack

arxiv:1412.4211 v2 · 2014-12-13 · 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{RWFH6IDNK6Q5C2YCCMQPV2WEKK}

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	2026-05-18T01:41:19.440032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8a7f206d57a1d16b021320faeac452a31f1f6650010f68226014657f82d580

Aliases

arxiv: 1412.4211 · arxiv_version: 1412.4211v2 · doi: 10.48550/arxiv.1412.4211 · pith_short_12: RWFH6IDNK6Q5 · pith_short_16: RWFH6IDNK6Q5C2YC · pith_short_8: RWFH6IDN

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/RWFH6IDNK6Q5C2YCCMQPV2WEKK \
  | 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: 8d8a7f206d57a1d16b021320faeac452a31f1f6650010f68226014657f82d580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245fd7a75061e70874b20eb58397d9b4aa996e138a13a8229224780dcd0c4334",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-12-13T09:32:50Z",
    "title_canon_sha256": "7d61f2c60ad394d8c84ac6b43769023bd76eeb4f79c6476e427587a62a10f52e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4211",
    "kind": "arxiv",
    "version": 2
  }
}