Pith Number

pith:YT4CPOS7

pith:2026:YT4CPOS7Y3KMIIJZSMM3S342X2

not attested not anchored not stored refs pending

Evidence for superconductivity at 190 K in a pressure-overdoped cuprate

Adam Denchfield, Alexander C. Mark, Daniel P. Phelan, David Rodriguez, D. Gonzalez Arevalo, Eduardo H.T. Poldi, Huu T. Do, N. K. Man, Rssell J. Hemley

arxiv:2608.00942 v1 · 2026-08-02 · 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{YT4CPOS7Y3KMIIJZSMM3S342X2}

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	2026-08-04T01:55:53.528400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f827ba5fc6d4c421399319b96f9abe8d444228e25f5502ad73ab182098a4e3

Aliases

arxiv: 2608.00942 · arxiv_version: 2608.00942v1 · doi: 10.48550/arxiv.2608.00942 · pith_short_12: YT4CPOS7Y3KM · pith_short_16: YT4CPOS7Y3KMIIJZ · pith_short_8: YT4CPOS7

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/YT4CPOS7Y3KMIIJZSMM3S342X2 \
  | 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: c4f827ba5fc6d4c421399319b96f9abe8d444228e25f5502ad73ab182098a4e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e07544ae4f0ebddcf6a28a35f9c74a130ed9a452d22a7a8825f3c131cafc40ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2026-08-02T02:47:16Z",
    "title_canon_sha256": "c9c48790b0731f36ccbb08ef886e09745e5b5523756903bae1808fc33a2ca180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00942",
    "kind": "arxiv",
    "version": 1
  }
}