Pith Number

pith:KS3LWPK6

pith:2026:KS3LWPK6N7OY6D2NMDP3REGP54

not attested not anchored not stored refs pending

Velocity of a Quantum Particle in a Classically Forbidden Region

Christian Beck, Dustin Lazarovici, Nino Zanghi, Roderich Tumulka, Sheldon Goldstein

arxiv:2607.00100 v1 · 2026-06-30 · 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{KS3LWPK6N7OY6D2NMDP3REGP54}

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	2026-07-02T00:18:34.465151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54b6bb3d5e6fdd8f0f4d60dfb890cfef36ddb728b7fbaa87876784349a5b82a9

Aliases

arxiv: 2607.00100 · arxiv_version: 2607.00100v1 · doi: 10.48550/arxiv.2607.00100 · pith_short_12: KS3LWPK6N7OY · pith_short_16: KS3LWPK6N7OY6D2N · pith_short_8: KS3LWPK6

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/KS3LWPK6N7OY6D2NMDP3REGP54 \
  | 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: 54b6bb3d5e6fdd8f0f4d60dfb890cfef36ddb728b7fbaa87876784349a5b82a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13be2babf2542584d61bab8cbc6ee9bdc7f0d1a9976d7d93f87d567e8f27c73b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-30T19:41:50Z",
    "title_canon_sha256": "a38c5a2acdcc482b87d6f24eb3955d04076ce739cd716dd9d8d39a58de6bed34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00100",
    "kind": "arxiv",
    "version": 1
  }
}