Pith Number

pith:ZT37M3YP

pith:2012:ZT37M3YPZK7BCDBWDHRIYE7SQE

not attested not anchored not stored refs pending

Study of Loschmidt Echo for a qubit coupled to an XY-spin chain environment

Amit Dutta, Shraddha Sharma, Victor Mukherjee

arxiv:1203.0735 v1 · 2012-03-04 · cond-mat.stat-mech · 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{ZT37M3YPZK7BCDBWDHRIYE7SQE}

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	2026-05-18T01:58:15.194358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf7f66f0fcabe110c3619e28c13f281175f396148ce7bd297f80aafe2fd4e4f

Aliases

arxiv: 1203.0735 · arxiv_version: 1203.0735v1 · doi: 10.48550/arxiv.1203.0735 · pith_short_12: ZT37M3YPZK7B · pith_short_16: ZT37M3YPZK7BCDBW · pith_short_8: ZT37M3YP

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/ZT37M3YPZK7BCDBWDHRIYE7SQE \
  | 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: ccf7f66f0fcabe110c3619e28c13f281175f396148ce7bd297f80aafe2fd4e4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5019afda1bdddaafe494b6748e67ec2b0c949105f32ec1ed5b55745b404899b4",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2012-03-04T12:57:53Z",
    "title_canon_sha256": "568282a2264c474738536b0fa3a1d6d7631fd67d394fb24cc1ededc4926003d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0735",
    "kind": "arxiv",
    "version": 1
  }
}