Pith Number

pith:QMHD6PVQ

pith:2019:QMHD6PVQIRSQ6Y5PIXD5LJLK6O

not attested not anchored not stored refs pending

Phonon anomalies with doping in superconducting oxychlorides Ca2-xCuO2Cl2

Alfred Q.R. Baron, Beno\^it Baptiste, Blair W. Lebert, Hajime Yamamoto, Hiroshi Uchiyama, Masaki Azuma, Matteo D'astuto, Rolf Heid, Satoshi Tsutsui

arxiv:1904.08258 v1 · 2019-04-17 · cond-mat.str-el · 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{QMHD6PVQIRSQ6Y5PIXD5LJLK6O}

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	2026-07-05T00:36:21.735638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

830e3f3eb044650f63af45c7d5a56af38aa6556892943884adc727b77c7bd678

Aliases

arxiv: 1904.08258 · arxiv_version: 1904.08258v1 · doi: 10.48550/arxiv.1904.08258 · pith_short_12: QMHD6PVQIRSQ · pith_short_16: QMHD6PVQIRSQ6Y5P · pith_short_8: QMHD6PVQ

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/QMHD6PVQIRSQ6Y5PIXD5LJLK6O \
  | 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: 830e3f3eb044650f63af45c7d5a56af38aa6556892943884adc727b77c7bd678

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c0e3c0222c5737642960b4133652a9520c510e41ae72cd3e76f0f28e7b6c561",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-04-17T13:21:42Z",
    "title_canon_sha256": "ca5a272c2558f4b7e1369c4c814d97cd626a00896d22f35a6d2c35124ef470b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08258",
    "kind": "arxiv",
    "version": 1
  }
}