Pith Number

pith:O7G3MC3Y

pith:2001:O7G3MC3YM6BONYCDDQGUIFIL23

not attested not anchored not stored refs pending

On Bohr's response to the clock-in-the-box thought experiment of Einstein

V. Hnizdo

arxiv:quant-ph/0107028 v1 · 2001-07-05 · 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{O7G3MC3YM6BONYCDDQGUIFIL23}

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	2026-05-18T01:05:04.913580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77cdb60b786782e6e0431c0d44150bd6def1b980e48e11a2b3a3d329003322d5

Aliases

arxiv: quant-ph/0107028 · arxiv_version: quant-ph/0107028v1 · doi: 10.48550/arxiv.quant-ph/0107028 · pith_short_12: O7G3MC3YM6BO · pith_short_16: O7G3MC3YM6BONYCD · pith_short_8: O7G3MC3Y

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/O7G3MC3YM6BONYCDDQGUIFIL23 \
  | 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: 77cdb60b786782e6e0431c0d44150bd6def1b980e48e11a2b3a3d329003322d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10555513305a30eed9f311e72a7ba384bea5f89ab43943befdf2b9fbdadc290c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-07-05T14:36:02Z",
    "title_canon_sha256": "6fbcdeb058944319c68665f5562eac94c49ac679f49ec8e73c1b36b22ce7b612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0107028",
    "kind": "arxiv",
    "version": 1
  }
}