Pith Number

pith:QQJIGAD6

pith:2015:QQJIGAD6R4NNR3AE4TAXMSITLX

not attested not anchored not stored refs pending

Cuprate High Temperature Superconductors

Roland Hott, Thomas Wolf

arxiv:1502.01557 v1 · 2015-02-05 · 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{QQJIGAD6R4NNR3AE4TAXMSITLX}

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	2026-05-18T02:27:51.779762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841283007e8f1ad8ec04e4c17649135df4bbfc2076d882dd0e7f4e7baf27241e

Aliases

arxiv: 1502.01557 · arxiv_version: 1502.01557v1 · doi: 10.48550/arxiv.1502.01557 · pith_short_12: QQJIGAD6R4NN · pith_short_16: QQJIGAD6R4NNR3AE · pith_short_8: QQJIGAD6

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/QQJIGAD6R4NNR3AE4TAXMSITLX \
  | 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: 841283007e8f1ad8ec04e4c17649135df4bbfc2076d882dd0e7f4e7baf27241e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4c7e0011dbf91721b8744e435669789b3f80961997bf85330fe0bbf0354760e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-02-05T14:07:06Z",
    "title_canon_sha256": "2564f28e1904ca8501e24638c061928564d607c81de4a4bc88cf4232ad2b434b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01557",
    "kind": "arxiv",
    "version": 1
  }
}