Pith Number

pith:7FSOBYBM

pith:2009:7FSOBYBMQKFDM3CD6CDAA7CBNL

not attested not anchored not stored refs pending

Quantum spin liquid with fermionized pi-vortices

Jing He, Lan-Feng Liu, Su-Peng Kou, Ya-Jie Wu

arxiv:0910.2070 v2 · 2009-10-12 · cond-mat.str-el · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FSOBYBMQKFDM3CD6CDAA7CBNL}

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	2026-05-18T02:24:46.849845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f964e0e02c828a366c43f086007c416aeadd65eb775ce5c6cabf0031e9312183

Aliases

arxiv: 0910.2070 · arxiv_version: 0910.2070v2 · doi: 10.48550/arxiv.0910.2070 · pith_short_12: 7FSOBYBMQKFD · pith_short_16: 7FSOBYBMQKFDM3CD · pith_short_8: 7FSOBYBM

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/7FSOBYBMQKFDM3CD6CDAA7CBNL \
  | 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: f964e0e02c828a366c43f086007c416aeadd65eb775ce5c6cabf0031e9312183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f5989f574f5e52f57d912c34885eaecd5b720f46db7000fc4f566b6363342d3",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-10-12T02:16:30Z",
    "title_canon_sha256": "ef3f8a2153135b5a42ddec9d9beeb4d224e6fbc0771110ce7268fbe63c89ea1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2070",
    "kind": "arxiv",
    "version": 2
  }
}