Pith Number

pith:4XGXEURV

pith:2015:4XGXEURVQUFSWNNK52HDVGXX54

not attested not anchored not stored refs pending

Epilogue: Superconducting Materials Past, Present and Future

B. Batlogg, C. W. Chu, G. Deutscher, H. Hosono, M. B. Maple, P. C. Canfield, R. C. Dynes, R. L. Greene, T. H. Geballe, Z. Fisk, Z. X. Zhao

arxiv:1504.02488 v2 · 2015-04-09 · 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{4XGXEURVQUFSWNNK52HDVGXX54}

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	2026-05-18T01:55:32.164982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5cd725235850b2b35aaee8e3a9af7ef32927f5e21e3d9f912f292659560ae15

Aliases

arxiv: 1504.02488 · arxiv_version: 1504.02488v2 · doi: 10.48550/arxiv.1504.02488 · pith_short_12: 4XGXEURVQUFS · pith_short_16: 4XGXEURVQUFSWNNK · pith_short_8: 4XGXEURV

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/4XGXEURVQUFSWNNK52HDVGXX54 \
  | 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: e5cd725235850b2b35aaee8e3a9af7ef32927f5e21e3d9f912f292659560ae15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25246f1b8511d85c602a553945d060ae9a6e28109e4d61afee58ac05ddeada80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-04-09T20:05:44Z",
    "title_canon_sha256": "667295d1cd6ca6872b8307032809fa2b19ae85b47ae0e9a85393501624ae5935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02488",
    "kind": "arxiv",
    "version": 2
  }
}