Pith Number

pith:BP37V755

pith:2018:BP37V755EE246NDDHQ3GW773YV

not attested not anchored not stored refs pending

Quantum Theory's Reality Problem

Adrian Kent (Centre for Quantum Information, DAMTP, Foundations, Perimeter Institute for Theoretical of Physics), U.K., University of Cambridge

arxiv:1807.08410 v2 · 2018-07-23 · physics.pop-ph · 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{BP37V755EE246NDDHQ3GW773YV}

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	2026-05-17T23:59:01.584719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf7faffbd2135cf34633c366b7ffbc557224adabd1dbf939c11302fa06cb1ab

Aliases

arxiv: 1807.08410 · arxiv_version: 1807.08410v2 · doi: 10.48550/arxiv.1807.08410 · pith_short_12: BP37V755EE24 · pith_short_16: BP37V755EE246NDD · pith_short_8: BP37V755

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/BP37V755EE246NDDHQ3GW773YV \
  | 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: 0bf7faffbd2135cf34633c366b7ffbc557224adabd1dbf939c11302fa06cb1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fba2490bf6b3e9d9b1350792e5ea42d66adb48132c02c342488d273df2a6fbef",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2018-07-23T02:50:28Z",
    "title_canon_sha256": "6ea6c9f4c2ef542f343486a9964baa6335ce26449a54986cbe954f138ea67a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08410",
    "kind": "arxiv",
    "version": 2
  }
}