Pith Number

pith:P7FYB4WJ

pith:2014:P7FYB4WJQJVDYNBFDKBACIZPHO

not attested not anchored not stored refs pending

Evidence for a superconducting origin of prominent features of the in-plane infrared response of underdoped cuprates and implications of their persistence above $T_{\mathrm{c}}$

B\v{r}etislav \v{S}op\'ik, Dominik Munzar, Ji\v{r}\'i Chaloupka

arxiv:1401.3776 v1 · 2014-01-15 · 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{P7FYB4WJQJVDYNBFDKBACIZPHO}

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	2026-05-18T03:02:06.991184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fcb80f2c9826a3c34251a8201232f3b9dda25ef4cf2c113116f0267365591ed

Aliases

arxiv: 1401.3776 · arxiv_version: 1401.3776v1 · doi: 10.48550/arxiv.1401.3776 · pith_short_12: P7FYB4WJQJVD · pith_short_16: P7FYB4WJQJVDYNBF · pith_short_8: P7FYB4WJ

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/P7FYB4WJQJVDYNBFDKBACIZPHO \
  | 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: 7fcb80f2c9826a3c34251a8201232f3b9dda25ef4cf2c113116f0267365591ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0c88f5afea01bc0c3e6ebb4ad8bccd2dfcaea7a712d943431e4d8e04eec9b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-01-15T22:11:51Z",
    "title_canon_sha256": "bf6b1cb6fde319497533a549a71c48c6b7f9e060a4205e9e1e8d228bec715f32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3776",
    "kind": "arxiv",
    "version": 1
  }
}