Pith Number

pith:ENG7SIHR

pith:2021:ENG7SIHRYR2JNMG6F4SEFCI5II

not attested not anchored not stored refs pending

Ge thin-films with tantalum diffusion-barriers for use in Nb-based superconductor technology

B. Wagner, C. Kopas, D.R. Queen, J. Gonzales, N. Newman, R.W. Carpenter, S. Zhang

arxiv:2104.12580 v1 · 2021-04-26 · cond-mat.supr-con · cond-mat.mtrl-sci · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENG7SIHRYR2JNMG6F4SEFCI5II}

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	2026-07-05T02:34:58.265984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234df920f1c47496b0de2f2442891d421e15a1308542787f53b323c3bdf57083

Aliases

arxiv: 2104.12580 · arxiv_version: 2104.12580v1 · doi: 10.48550/arxiv.2104.12580 · pith_short_12: ENG7SIHRYR2J · pith_short_16: ENG7SIHRYR2JNMG6 · pith_short_8: ENG7SIHR

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/ENG7SIHRYR2JNMG6F4SEFCI5II \
  | 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: 234df920f1c47496b0de2f2442891d421e15a1308542787f53b323c3bdf57083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da12fc0a5f2a1cc918ddfc332bea34e4cd9d8d27ba41a8f23416421a7e78a746",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-04-26T13:52:06Z",
    "title_canon_sha256": "9cb6595d81fcef6c41b0e90c6d11cf37ba5ea1240103d26ee0995fcf21de41ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12580",
    "kind": "arxiv",
    "version": 1
  }
}