Pith Number

pith:GTPRAQES

pith:2005:GTPRAQESQFJKNJ7FLQNLL5EFBB

not attested not anchored not stored refs pending

Quantum non-demolition measurement saturates fidelity trade-off

Ladislav Mi\v{s}ta Jr., Radim Filip

arxiv:quant-ph/0501031 v1 · 2005-01-06 · 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{GTPRAQESQFJKNJ7FLQNLL5EFBB}

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	2026-05-18T01:08:45.732226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34df1040928152a6a7e55c1ab5f485084246b5084756aaeb06c57c493aa10a0f

Aliases

arxiv: quant-ph/0501031 · arxiv_version: quant-ph/0501031v1 · doi: 10.48550/arxiv.quant-ph/0501031 · pith_short_12: GTPRAQESQFJK · pith_short_16: GTPRAQESQFJKNJ7F · pith_short_8: GTPRAQES

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/GTPRAQESQFJKNJ7FLQNLL5EFBB \
  | 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: 34df1040928152a6a7e55c1ab5f485084246b5084756aaeb06c57c493aa10a0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fb43ccb9ce53b0b607ca3851fa503dd256dd31cd99bb348a618a6b4bcd18182",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-01-06T17:55:32Z",
    "title_canon_sha256": "a72e1806c2b206d7dc71ac1e349dd13b98781036c08b28aa14f04dc5190bcc04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0501031",
    "kind": "arxiv",
    "version": 1
  }
}