Pith Number

pith:SCUGQANE

pith:2014:SCUGQANESBIDU7FUXTMMNQBF36

not attested not anchored not stored refs pending

Decoherence of a quantum system coupled to an XY spin chain: Role of the initial state of the spin chain

Ping Zhang, Shu-Shen Li, Zi-Gang Yuan

arxiv:1405.0635 v1 · 2014-05-04 · 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{SCUGQANESBIDU7FUXTMMNQBF36}

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	2026-05-18T02:52:41.025896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a86801a490503a7cb4bcd8c6c025dfb9c57472df9dba564117a651856682b3

Aliases

arxiv: 1405.0635 · arxiv_version: 1405.0635v1 · doi: 10.48550/arxiv.1405.0635 · pith_short_12: SCUGQANESBID · pith_short_16: SCUGQANESBIDU7FU · pith_short_8: SCUGQANE

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/SCUGQANESBIDU7FUXTMMNQBF36 \
  | 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: 90a86801a490503a7cb4bcd8c6c025dfb9c57472df9dba564117a651856682b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7771a4801d4dcd7586f8b615badcdf2a795bd8d628c81c6217137540a67bf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-05-04T00:18:01Z",
    "title_canon_sha256": "7c27557ddc961c24cb31da16169e4ea0096acb2627a5a995aa26b462bc00ec6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0635",
    "kind": "arxiv",
    "version": 1
  }
}