Pith Number

pith:AMQ2SVXL

pith:2018:AMQ2SVXLQEMWCNBTD7WWQCZPHW

not attested not anchored not stored refs pending

Quantum Fisher information and coherence in one-dimensional $XY$ spin models with Dzyaloshinsky-Moriya interactions

Biao-Liang Ye, Bo Li, Shao-Ming Fei, Xianqing Li-Jost, Zhi-Xi Wang

arxiv:1808.03769 v1 · 2018-08-11 · 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{AMQ2SVXLQEMWCNBTD7WWQCZPHW}

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	2026-05-18T00:08:19.757023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0321a956eb81196134331fed680b2f3da0fb05f0e71c701d3b546fadc9a2f1f8

Aliases

arxiv: 1808.03769 · arxiv_version: 1808.03769v1 · doi: 10.48550/arxiv.1808.03769 · pith_short_12: AMQ2SVXLQEMW · pith_short_16: AMQ2SVXLQEMWCNBT · pith_short_8: AMQ2SVXL

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/AMQ2SVXLQEMWCNBTD7WWQCZPHW \
  | 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: 0321a956eb81196134331fed680b2f3da0fb05f0e71c701d3b546fadc9a2f1f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa7366a15fe2c48f2adfffaead5989e8847220ed84c6184cdc4d0ce0f0821b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-08-11T08:06:24Z",
    "title_canon_sha256": "921b931e7f08051ca820f1fc75b1ba23fba03c1804db891adaa53142c6067f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03769",
    "kind": "arxiv",
    "version": 1
  }
}