Pith Number

pith:LETV6HS3

pith:2013:LETV6HS3UD77K5YIRKMAPILETA

not attested not anchored not stored refs pending

Experimental evidence for electric surface resistance in niobium

Carsten P. Welsch, Sarah Aull, Tobias Junginger, Wolfgang Weingarten

arxiv:1302.2802 v4 · 2013-02-12 · 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{LETV6HS3UD77K5YIRKMAPILETA}

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	2026-05-18T00:29:49.575011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59275f1e5ba0fff577088a9807a16498299124db74f6d8996d17a54a2952f2db

Aliases

arxiv: 1302.2802 · arxiv_version: 1302.2802v4 · doi: 10.48550/arxiv.1302.2802 · pith_short_12: LETV6HS3UD77 · pith_short_16: LETV6HS3UD77K5YI · pith_short_8: LETV6HS3

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/LETV6HS3UD77K5YIRKMAPILETA \
  | 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: 59275f1e5ba0fff577088a9807a16498299124db74f6d8996d17a54a2952f2db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9052476eb178fd42f52bf1f7eb99876ad959adbc761e732281647319d6aa80bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-02-12T14:20:15Z",
    "title_canon_sha256": "07936733b216f37d0308f2de33dea0ea65c2375560fe5a37e52e5971802ed33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2802",
    "kind": "arxiv",
    "version": 4
  }
}