Pith Number

pith:BF5HLN25

pith:2008:BF5HLN256KUINZ5WT7WNHKGACX

not attested not anchored not stored refs pending

Weakly coupled $s = 1/2$ quantum spin singlets in Ba$_{3}$Cr$_{2}$O$_{8}$

H.-J. Kang, H. Ueda, J.-H. Kim, M. Green, M. Kofu, S.-H. Lee, S. Ji, Y. Qiu, Y. Ueda

arxiv:0809.5069 v1 · 2008-09-29 · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BF5HLN256KUINZ5WT7WNHKGACX}

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	2026-07-04T17:13:00.560897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097a75b75df2a886e7b69fecd3a8c015e4a0a5451732d6d1df7e3de9cb4a33c9

Aliases

arxiv: 0809.5069 · arxiv_version: 0809.5069v1 · doi: 10.48550/arxiv.0809.5069 · pith_short_12: BF5HLN256KUI · pith_short_16: BF5HLN256KUINZ5W · pith_short_8: BF5HLN25

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/BF5HLN256KUINZ5WT7WNHKGACX \
  | 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: 097a75b75df2a886e7b69fecd3a8c015e4a0a5451732d6d1df7e3de9cb4a33c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9c10777804395f408fb34e2d3b46af56a40525c9b23203a82e4a92e1768172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2008-09-29T20:42:47Z",
    "title_canon_sha256": "60c704affbcac7bf48ab8363c86f1718ef2412c2e2828d1200919ce45e3cc967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.5069",
    "kind": "arxiv",
    "version": 1
  }
}