Pith Number

pith:ICZ4J7EC

pith:2008:ICZ4J7EC7EL6XUNCOZLHUCI2UG

not attested not anchored not stored refs pending

Tuning the interlayer spacing in high T_c superconductors: penetration depth and two-dimensional superfluid density

F.L. Pratt, M.L. Brooks, P.J. Baker, S.J. Blundell, S.-J. Kwon, T. Lancaster

arxiv:0807.0561 v1 · 2008-07-03 · 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{ICZ4J7EC7EL6XUNCOZLHUCI2UG}

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	2026-07-04T15:39:19.634420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b3c4fc82f917ebd1a276567a091aa1b9e5f6157972ea4d3d859ec4aad63218

Aliases

arxiv: 0807.0561 · arxiv_version: 0807.0561v1 · doi: 10.48550/arxiv.0807.0561 · pith_short_12: ICZ4J7EC7EL6 · pith_short_16: ICZ4J7EC7EL6XUNC · pith_short_8: ICZ4J7EC

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/ICZ4J7EC7EL6XUNCOZLHUCI2UG \
  | 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: 40b3c4fc82f917ebd1a276567a091aa1b9e5f6157972ea4d3d859ec4aad63218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b57b7d33f2525a1fae4692ad56c2bfa2cfa6efa8a541e44a39ecda0063f7789",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-07-03T13:34:40Z",
    "title_canon_sha256": "0e8c33b372e477bb5c78ec8dc6f8edbf2bdb4f9333b63d8253bba347708480a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0561",
    "kind": "arxiv",
    "version": 1
  }
}