pith. sign in
Pith Number

pith:AS7K7NLM

pith:1994:AS7K7NLMUNHIPFV6XTXKOUOM33
not attested not anchored not stored refs pending

Symmetries, superselection rules, and decoherence

C. Kiefer, D. Giulini, H. D. Zeh

arxiv:gr-qc/9410029 v1 · 1994-10-21 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AS7K7NLMUNHIPFV6XTXKOUOM33}

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 2026-05-18T04:37:56.963990Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

04beafb56ca34e8796bebceea751ccdee4f717fd8f96c0ac8b87f23defb5445c

Aliases

arxiv: gr-qc/9410029 · arxiv_version: gr-qc/9410029v1 · doi: 10.48550/arxiv.gr-qc/9410029 · pith_short_12: AS7K7NLMUNHI · pith_short_16: AS7K7NLMUNHIPFV6 · pith_short_8: AS7K7NLM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AS7K7NLMUNHIPFV6XTXKOUOM33 \
  | 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: 04beafb56ca34e8796bebceea751ccdee4f717fd8f96c0ac8b87f23defb5445c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7b80dbfec1f3d7290bfa67ce79cdc01020f6442a7adf9cdc9d7b20654371c4db",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-10-21T08:43:12Z",
    "title_canon_sha256": "d7e18ee37976c2c51cfa5daf16255c881cdd4017c27fd6eb4b86303ec7a2f291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9410029",
    "kind": "arxiv",
    "version": 1
  }
}