Pith Number

pith:F7KWWA2V

pith:2009:F7KWWA2VFTYOWBKDIWBLEDJBAY

not attested not anchored not stored refs pending

Pressure-induced lattice instabilities and superconductivity in YBa2Cu4O8 and optimally doped YBa2Cu3O7-{\delta}

A. Gantis, D. Lampakis, E. Liarokapis, E. Siranidi, J. Karpinski, M. Calamiotou

arxiv:0907.3024 v2 · 2009-07-17 · 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{F7KWWA2VFTYOWBKDIWBLEDJBAY}

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	2026-05-18T02:24:47.972773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fd56b03552cf0eb05434582b20d21062ba9a8ef4fe2b5fd5dcc9f5b8500ac9a

Aliases

arxiv: 0907.3024 · arxiv_version: 0907.3024v2 · doi: 10.48550/arxiv.0907.3024 · pith_short_12: F7KWWA2VFTYO · pith_short_16: F7KWWA2VFTYOWBKD · pith_short_8: F7KWWA2V

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/F7KWWA2VFTYOWBKDIWBLEDJBAY \
  | 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: 2fd56b03552cf0eb05434582b20d21062ba9a8ef4fe2b5fd5dcc9f5b8500ac9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88cf294ccdf42b817efacaf3a1949b9e79509508be23a1b3787a931933ca6fd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-07-17T09:17:17Z",
    "title_canon_sha256": "a9dfd0eb179657214dde37f245baa5997b3e3b5325c25a6b932306a3dc8822b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3024",
    "kind": "arxiv",
    "version": 2
  }
}