Pith Number

pith:L75VM23C

pith:2007:L75VM23CS6BQ6HABJ47IROLS5E

not attested not anchored not stored refs pending

Quasi-particle interference and superconducting gap in a high-temperature superconductor Ca2-xNaxCuO2Cl2

C. Lupien, H. Takagi, I. Yamada, J. C. Davis, K. Ohishi, M. Azuma, M. Ono, M. Takano, T. Hanaguri, Y. Kohsaka

arxiv:0708.3728 v1 · 2007-08-28 · 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{L75VM23CS6BQ6HABJ47IROLS5E}

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	2026-05-18T02:16:21.990605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ffb566b6297830f1c014f3e88b972e924b1d9b0d19d80664b81e1122dbe363c

Aliases

arxiv: 0708.3728 · arxiv_version: 0708.3728v1 · doi: 10.48550/arxiv.0708.3728 · pith_short_12: L75VM23CS6BQ · pith_short_16: L75VM23CS6BQ6HAB · pith_short_8: L75VM23C

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/L75VM23CS6BQ6HABJ47IROLS5E \
  | 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: 5ffb566b6297830f1c014f3e88b972e924b1d9b0d19d80664b81e1122dbe363c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3cefd50393740cca731e9f9d39d57e08155d73ddf4d4753eb1a4f26076b3aa",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2007-08-28T07:58:41Z",
    "title_canon_sha256": "f1c5c070cbd2b20c55f4398c8ad7c27968ec1299b255b1ba4904691d22e065b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3728",
    "kind": "arxiv",
    "version": 1
  }
}