Pith Number

pith:UCWRPRNR

pith:2012:UCWRPRNROYKQMT3VTBKIN6O5YI

not attested not anchored not stored refs pending

In-plane optical spectra of Y$_{1-x}$Ca$_{x}$Ba$_{2}$Cu$_{3}$O$_{7-{\delta}}$: Overdoping and disorder effect on residual conductivity

E. Uykur, K. Tanaka, S. Miyasaka, S. Tajima, T. Masui

arxiv:1201.1679 v1 · 2012-01-09 · 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{UCWRPRNROYKQMT3VTBKIN6O5YI}

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	2026-05-18T01:58:54.286487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ad17c5b17615064f75985486f9ddc23f357fe9957ea82656cbc31ba12d9273

Aliases

arxiv: 1201.1679 · arxiv_version: 1201.1679v1 · doi: 10.48550/arxiv.1201.1679 · pith_short_12: UCWRPRNROYKQ · pith_short_16: UCWRPRNROYKQMT3V · pith_short_8: UCWRPRNR

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/UCWRPRNROYKQMT3VTBKIN6O5YI \
  | 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: a0ad17c5b17615064f75985486f9ddc23f357fe9957ea82656cbc31ba12d9273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84e5d742f3b1a58b6b19d51d6b0b104a4c30af7974a6828e3287810a1144a0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-01-09T02:20:16Z",
    "title_canon_sha256": "f04f6c19f806cf2f06d781c9ca4022cd6728fdb5473cf9993403c1ce296703c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1679",
    "kind": "arxiv",
    "version": 1
  }
}