Pith Number

pith:X53Y6FCA

pith:1999:X53Y6FCANC7LP4RO4D57I52PCG

not attested not anchored not stored refs pending

The Effects of Chemical Doping and Hydrostatic Pressure on Tc of Y(1-y)CayBa2Cu3Ox and NdBa2Cu3Ox Single Crystals

B. Obst, H. Leibrock, H. Wuehl, K. Grube, K.-P. Weiss, M. Klaeser, P. Schweiss, S. I. Schlachter, Th. Wolf, W. H. Fietz

arxiv:cond-mat/9912357 v1 · 1999-12-20 · 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{X53Y6FCANC7LP4RO4D57I52PCG}

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	2026-07-04T14:23:59.419204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e

Aliases

arxiv: cond-mat/9912357 · arxiv_version: cond-mat/9912357v1 · doi: 10.48550/arxiv.cond-mat/9912357 · pith_short_12: X53Y6FCANC7L · pith_short_16: X53Y6FCANC7LP4RO · pith_short_8: X53Y6FCA

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/X53Y6FCANC7LP4RO4D57I52PCG \
  | 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: bf778f144068beb7f22ee0fbf4774f11a330766f79ae8f9aa91ff235df5ba27e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f702218b18ae67badf9dad6645aac3a211b911600b91975a9544bf3ffec9235",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-12-20T14:18:29Z",
    "title_canon_sha256": "5c1cd336ba7d24dd13473873bef7a2457578b1cb669cb39e55a8715196c769aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9912357",
    "kind": "arxiv",
    "version": 1
  }
}