Pith Number

pith:2IP67OE2

pith:2018:2IP67OE2PIK2553EO46X7A7C72

not attested not anchored not stored refs pending

Pressure Effect in Bi-2212 and Bi-2223 Cuprate Superconductor

Hiroshi Hara, Hiroyuki Takeya, Peng Song, Ryo Matsumoto, Shintaro Adachi, Takao Watanabe, Yoshihiko Takano, Yoshito Saito

arxiv:1810.08981 v2 · 2018-10-21 · 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{2IP67OE2PIK2553EO46X7A7C72}

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	2026-05-17T23:51:49.001451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d21fefb89a7a15aef764773d7f83e2fe9ae063eecbc2ec81a886fd9413b1a172

Aliases

arxiv: 1810.08981 · arxiv_version: 1810.08981v2 · doi: 10.48550/arxiv.1810.08981 · pith_short_12: 2IP67OE2PIK2 · pith_short_16: 2IP67OE2PIK2553E · pith_short_8: 2IP67OE2

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/2IP67OE2PIK2553EO46X7A7C72 \
  | 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: d21fefb89a7a15aef764773d7f83e2fe9ae063eecbc2ec81a886fd9413b1a172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "405c67b0acfa57133f400a7b6cdd29039ddcdb7d980171f75f53fbaa093b8549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-10-21T15:53:45Z",
    "title_canon_sha256": "085954a7aa33c0311b0d2e88d32625920aed594a5ee00723d785700514013770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08981",
    "kind": "arxiv",
    "version": 2
  }
}