Pith Number

pith:XOBU5NXM

pith:2012:XOBU5NXM6EAL4LH2OPRQTS5HOO

not attested not anchored not stored refs pending

Role of external fields in enhancing long-distance entanglement at finite temperatures

Tomotaka Kuwahara

arxiv:1204.2337 v3 · 2012-04-11 · 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{XOBU5NXM6EAL4LH2OPRQTS5HOO}

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	2026-05-18T03:28:30.647146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb834eb6ecf100be2cfa73e309cba77399545d226a29c165c3b5f43ae453d512

Aliases

arxiv: 1204.2337 · arxiv_version: 1204.2337v3 · doi: 10.48550/arxiv.1204.2337 · pith_short_12: XOBU5NXM6EAL · pith_short_16: XOBU5NXM6EAL4LH2 · pith_short_8: XOBU5NXM

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/XOBU5NXM6EAL4LH2OPRQTS5HOO \
  | 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: bb834eb6ecf100be2cfa73e309cba77399545d226a29c165c3b5f43ae453d512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb5b912f812a687c8e165011733b53ceac9b66da18b929ed680f5b85bd3c97b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-11T04:53:37Z",
    "title_canon_sha256": "b45692acc156715353186eb2549c0d6162ac8dd59379500af163f4f5c7c737b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2337",
    "kind": "arxiv",
    "version": 3
  }
}