Pith Number

pith:PCZ2PXSR

pith:2010:PCZ2PXSRNUYTPSEP4IZOXMALTU

not attested not anchored not stored refs pending

Evidence of precursor superconductivity as high as 180 K from infrared spectroscopy

A. Dubroka, A. Schafgans, B. Keimer, C. Bernhard, C.T. Lin, D. Haug, D. Munzar, D.N. Basov, J.G. Storey, J.L. Tallon, K.W. Kim, M. Roessle, S.J. Moon, Th. Wolf, V. Hinkov, V.K. Malik

arxiv:1009.2925 v1 · 2010-09-15 · 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{PCZ2PXSRNUYTPSEP4IZOXMALTU}

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	2026-05-18T04:01:00.041459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78b3a7de516d3137c88fe232ebb00b9d22611c70f25980c7d1f14ff37a72bf9d

Aliases

arxiv: 1009.2925 · arxiv_version: 1009.2925v1 · doi: 10.48550/arxiv.1009.2925 · pith_short_12: PCZ2PXSRNUYT · pith_short_16: PCZ2PXSRNUYTPSEP · pith_short_8: PCZ2PXSR

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/PCZ2PXSRNUYTPSEP4IZOXMALTU \
  | 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: 78b3a7de516d3137c88fe232ebb00b9d22611c70f25980c7d1f14ff37a72bf9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bfa5350768f9a08a32308314d1f6bccd2fe86b25c2f6a4b268d9987c9c30877",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-09-15T13:50:44Z",
    "title_canon_sha256": "7d2879f4d1a08280841c2222273b9ac9ccb050b5447125889ebe3850021c5ae9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2925",
    "kind": "arxiv",
    "version": 1
  }
}