Pith Number

pith:ZRQPROGB

pith:2011:ZRQPROGBO76B3XCAEOGZNJYLIA

not attested not anchored not stored refs pending

Isotope effects in high-Tc cuprate superconductors: Ultimate proof for bipolaron theory of superconductivity

A. S. Alexandrov, G. M. Zhao

arxiv:1105.3124 v1 · 2011-05-16 · 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{ZRQPROGBO76B3XCAEOGZNJYLIA}

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	2026-05-18T02:01:57.868527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc60f8b8c177fc1ddc40238d96a70b40325e8284e0254abcca82bfad578cc8b5

Aliases

arxiv: 1105.3124 · arxiv_version: 1105.3124v1 · doi: 10.48550/arxiv.1105.3124 · pith_short_12: ZRQPROGBO76B · pith_short_16: ZRQPROGBO76B3XCA · pith_short_8: ZRQPROGB

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/ZRQPROGBO76B3XCAEOGZNJYLIA \
  | 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: cc60f8b8c177fc1ddc40238d96a70b40325e8284e0254abcca82bfad578cc8b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ccbf8358a6d00dfc9cfa1dc6aa5646a5142251425383edcbbc9d95629b4486e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-05-16T15:37:05Z",
    "title_canon_sha256": "562076700149ca4253bad344aa1ebaa28ceead50ebe93cbfe4a0977d59db266a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3124",
    "kind": "arxiv",
    "version": 1
  }
}