Pith Number

pith:QHXJ5YD7

pith:1999:QHXJ5YD7W6QUCKYAGPKDWXJGJ7

not attested not anchored not stored refs pending

Realistic Interaction-Free Detection of Objects in a Resonator

Harry Paul, Mladen Pavicic

arxiv:quant-ph/9906102 v2 · 1999-06-27 · 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{QHXJ5YD7W6QUCKYAGPKDWXJGJ7}

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	2026-05-18T01:05:00.301698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ee9ee07fb7a1412b0033d43b5d264fe6ebcfeea70a5902445150c2705e77f7

Aliases

arxiv: quant-ph/9906102 · arxiv_version: quant-ph/9906102v2 · doi: 10.48550/arxiv.quant-ph/9906102 · pith_short_12: QHXJ5YD7W6QU · pith_short_16: QHXJ5YD7W6QUCKYA · pith_short_8: QHXJ5YD7

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/QHXJ5YD7W6QUCKYAGPKDWXJGJ7 \
  | 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: 81ee9ee07fb7a1412b0033d43b5d264fe6ebcfeea70a5902445150c2705e77f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f6765537daa90843575e7afece9bbd31129b482e843483f6ff8ee82d90ba0c6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-06-27T15:33:55Z",
    "title_canon_sha256": "72a5932bc3cd1acf653d8af0329365d185d2a2681539ea35fc9888b79543b6e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9906102",
    "kind": "arxiv",
    "version": 2
  }
}