Pith Number

pith:C7ZWPYCA

pith:2011:C7ZWPYCA5RM5UBMZ3BWUWPY7DH

not attested not anchored not stored refs pending

Non-BCS superconductivity for underdoped cuprates by spin-vortex attraction

F. Ye, L. Yu, P. A. Marchetti, Z. B. Su

arxiv:1102.4221 v1 · 2011-02-21 · cond-mat.str-el · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7ZWPYCA5RM5UBMZ3BWUWPY7DH}

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	2026-05-18T02:03:07.085597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17f367e040ec59da0599d86d4b3f1f19e39240a2e937569cfa3f325ed05da71c

Aliases

arxiv: 1102.4221 · arxiv_version: 1102.4221v1 · doi: 10.48550/arxiv.1102.4221 · pith_short_12: C7ZWPYCA5RM5 · pith_short_16: C7ZWPYCA5RM5UBMZ · pith_short_8: C7ZWPYCA

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/C7ZWPYCA5RM5UBMZ3BWUWPY7DH \
  | 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: 17f367e040ec59da0599d86d4b3f1f19e39240a2e937569cfa3f325ed05da71c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e512fff8089db7f291ba48bcd22f74b48184d3588d5ad21d8e788b5cfb3b49",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2011-02-21T13:41:51Z",
    "title_canon_sha256": "27ada15f6f86ccd0e2b4e94ef44c1a71ed8aebfff0cc0430961ab1a6a3368f06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4221",
    "kind": "arxiv",
    "version": 1
  }
}