Pith Number

pith:NRLXC2C7

pith:2018:NRLXC2C7UFC4WYVHX2KADDH6D6

not attested not anchored not stored refs pending

Copenhagen Interpretation Delenda Est?

Christopher A. Fuchs

arxiv:1809.05147 v2 · 2018-09-13 · quant-ph · physics.hist-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{NRLXC2C7UFC4WYVHX2KADDH6D6}

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	2026-05-18T00:01:06.807806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5771685fa145cb62a7be94018cfe1f88e9c956bc4efaf834192eb3501a4cea

Aliases

arxiv: 1809.05147 · arxiv_version: 1809.05147v2 · doi: 10.48550/arxiv.1809.05147 · pith_short_12: NRLXC2C7UFC4 · pith_short_16: NRLXC2C7UFC4WYVH · pith_short_8: NRLXC2C7

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/NRLXC2C7UFC4WYVHX2KADDH6D6 \
  | 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: 6c5771685fa145cb62a7be94018cfe1f88e9c956bc4efaf834192eb3501a4cea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a67c64aad776ca91aab8e9a3738b4f9e91c08dc1cc2c4d042645182c8f589a1",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-13T19:12:59Z",
    "title_canon_sha256": "d1f6981c49c21c36efd4f769be63eb7c96f7eb2419542e41821b754c5f434b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05147",
    "kind": "arxiv",
    "version": 2
  }
}