Pith Number

pith:X5RY426F

pith:2001:X5RY426FGS7L37LLREH2YA46B6

not attested not anchored not stored refs pending

Seven Steps Towards the Classical World

Detlef D\"urr, Nino Zangh\'i, Shelly Goldstein, Valia Allori

arxiv:quant-ph/0112005 v1 · 2001-12-02 · 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{X5RY426FGS7L37LLREH2YA46B6}

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.

Cited by

1 paper in Pith

On the Quantum-to-Classical Transition of Primordial Perturbations

Receipt and verification

First computed	2026-05-18T01:09:07.462876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf638e6bc534bebdfd6b890fac039e0f926aec32f0e1d991d6e2c79692129a92

Aliases

arxiv: quant-ph/0112005 · arxiv_version: quant-ph/0112005v1 · doi: 10.48550/arxiv.quant-ph/0112005 · pith_short_12: X5RY426FGS7L · pith_short_16: X5RY426FGS7L37LL · pith_short_8: X5RY426F

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/X5RY426FGS7L37LLREH2YA46B6 \
  | 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: bf638e6bc534bebdfd6b890fac039e0f926aec32f0e1d991d6e2c79692129a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d56f84438390ea7b248458d13f45a6e481ed59bbf6e5bb971115f45069db21e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-12-02T10:36:16Z",
    "title_canon_sha256": "7f2cd8f37300b08907948c07da032f481ff7c92d7c573eeea14d46ac2d441c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0112005",
    "kind": "arxiv",
    "version": 1
  }
}