Pith Number

pith:4P7FX66S

pith:2011:4P7FX66SCDPKV3S73NKW3TH2JI

not attested not anchored not stored refs pending

High-pressure spin shifts in the pseudogap regime of superconducting YBa2Cu4O8 as revealed by 17O NMR

Grant V. M. Williams, J\"urgen Haase, Peter B. Littlewood, Swee K. Goh, Thomas Meissner

arxiv:1105.2009 v2 · 2011-05-10 · 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{4P7FX66SCDPKV3S73NKW3TH2JI}

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	2026-05-18T04:18:55.211195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3fe5bfbd210deaaee5fdb556dccfa4a17ce93256ab1042819a6eb825d4437b8

Aliases

arxiv: 1105.2009 · arxiv_version: 1105.2009v2 · doi: 10.48550/arxiv.1105.2009 · pith_short_12: 4P7FX66SCDPK · pith_short_16: 4P7FX66SCDPKV3S7 · pith_short_8: 4P7FX66S

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/4P7FX66SCDPKV3S73NKW3TH2JI \
  | 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: e3fe5bfbd210deaaee5fdb556dccfa4a17ce93256ab1042819a6eb825d4437b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "578f0de11d6bd1053c2f3435cc986ffafeb2933f4428f4bd56304b45ab40aae8",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-05-10T18:11:55Z",
    "title_canon_sha256": "ada0d72b019cecc18038e7c6d3d1ecc1db19306574b69f7772bc641f6bfb8987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2009",
    "kind": "arxiv",
    "version": 2
  }
}