Pith Number

pith:VMNJKPL4

pith:2012:VMNJKPL4XIKTDYZ3E3JPCE44NR

not attested not anchored not stored refs pending

Decrease of upper critical field with underdoping in cuprate superconductors

E. Hassinger, F. Lalibert\'e, H. Takagi, J. Chang, J.-Ph. Reid, Louis Taillefer, N. Doiron-Leyraud, O. Cyr-Choini\`ere, R. Daou, S. Pyon, T. Takayama

arxiv:1208.4389 v1 · 2012-08-21 · cond-mat.supr-con · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMNJKPL4XIKTDYZ3E3JPCE44NR}

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	2026-05-18T03:43:28.320605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab1a953d7cba1531e33b26d2f1139c6c7d639db6b914848f4de27dec9b106949

Aliases

arxiv: 1208.4389 · arxiv_version: 1208.4389v1 · doi: 10.48550/arxiv.1208.4389 · pith_short_12: VMNJKPL4XIKT · pith_short_16: VMNJKPL4XIKTDYZ3 · pith_short_8: VMNJKPL4

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/VMNJKPL4XIKTDYZ3E3JPCE44NR \
  | 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: ab1a953d7cba1531e33b26d2f1139c6c7d639db6b914848f4de27dec9b106949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eba075d753ca3fba0f20b912b1adcca6f0a1f1615e3bf6dbbb355e498125d91",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-08-21T21:18:37Z",
    "title_canon_sha256": "4aeebcc9aa92a2a4b55a932769133a20dbe5aad7aadf42bd068930496a7aee48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4389",
    "kind": "arxiv",
    "version": 1
  }
}