Pith Number

pith:ZSTDKFFB

pith:1998:ZSTDKFFBRKA7QHLU5P5L6LZS5P

not attested not anchored not stored refs pending

Instantaneous Spreading and Einstein Causality in Quantum Theory

Gerhard C. Hegerfeldt

arxiv:quant-ph/9809030 v1 · 1998-09-11 · 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{ZSTDKFFBRKA7QHLU5P5L6LZS5P}

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	2026-05-18T01:16:37.815383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cca63514a18a81f81d74ebfabf2f32ebd94416e1e7d089e41f80426a09a2a7ea

Aliases

arxiv: quant-ph/9809030 · arxiv_version: quant-ph/9809030v1 · doi: 10.48550/arxiv.quant-ph/9809030 · pith_short_12: ZSTDKFFBRKA7 · pith_short_16: ZSTDKFFBRKA7QHLU · pith_short_8: ZSTDKFFB

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/ZSTDKFFBRKA7QHLU5P5L6LZS5P \
  | 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: cca63514a18a81f81d74ebfabf2f32ebd94416e1e7d089e41f80426a09a2a7ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c60ff2a929f604b8929c8701bb13b6ac4f8f558a255504590f6729b546e769fe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-09-11T08:21:59Z",
    "title_canon_sha256": "fa59eafec301ea1dd0128699a47d39acca7cf23c69ba79f8c1272143a93d13a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9809030",
    "kind": "arxiv",
    "version": 1
  }
}