Pith Number

pith:P7QFAAA6

pith:2011:P7QFAAA65KNQ3AFM323Y6AARQY

not attested not anchored not stored refs pending

Observation of the predicted charge collective mode of the Tc = 45 K superconducting phase of La2CuO4+{\delta}

P. H. Hor, Y. H. Kim, Y. S. Song

arxiv:1109.1479 v1 · 2011-09-07 · 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{P7QFAAA65KNQ3AFM323Y6AARQY}

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	2026-05-18T02:00:38.370415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe050001eea9b0d80acdeb78f0011860eb00560a5a64b8ca7b3c055005ac532

Aliases

arxiv: 1109.1479 · arxiv_version: 1109.1479v1 · doi: 10.48550/arxiv.1109.1479 · pith_short_12: P7QFAAA65KNQ · pith_short_16: P7QFAAA65KNQ3AFM · pith_short_8: P7QFAAA6

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/P7QFAAA65KNQ3AFM323Y6AARQY \
  | 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: 7fe050001eea9b0d80acdeb78f0011860eb00560a5a64b8ca7b3c055005ac532

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb7282da5d939d98790e59babc7883730a5e60e9039cf800b4272e7b86134b0b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-09-07T14:48:35Z",
    "title_canon_sha256": "d99f6d16fe0c79fb9cf5fe04a4ade46cb3b7882391f14ccc4febd088427794cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1479",
    "kind": "arxiv",
    "version": 1
  }
}