Pith Number

pith:4IHS63AJ

pith:1998:4IHS63AJDT4K4LM7IEC4UD6UTJ

not attested not anchored not stored refs pending

Quantum Information in a Distributed Apparatus

Subhash Kak

arxiv:quant-ph/9804047 v1 · 1998-04-20 · 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{4IHS63AJDT4K4LM7IEC4UD6UTJ}

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	2026-05-18T02:35:06.620044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e20f2f6c091cf8ae2d9f4105ca0fd49a74d9bbe667154b3debc13c144875efe8

Aliases

arxiv: quant-ph/9804047 · arxiv_version: quant-ph/9804047v1 · doi: 10.48550/arxiv.quant-ph/9804047 · pith_short_12: 4IHS63AJDT4K · pith_short_16: 4IHS63AJDT4K4LM7 · pith_short_8: 4IHS63AJ

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/4IHS63AJDT4K4LM7IEC4UD6UTJ \
  | 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: e20f2f6c091cf8ae2d9f4105ca0fd49a74d9bbe667154b3debc13c144875efe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b7a46fbc58bccae989a50949abce7fb03cf66661f0458f60ea5392c7c95c8b2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-04-20T16:13:47Z",
    "title_canon_sha256": "bafe372c539fba68acf66a761950ce4339aab8bddb09adbd128e4d7bc90ecf79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9804047",
    "kind": "arxiv",
    "version": 1
  }
}