Pith Number

pith:KVAD27S4

pith:2018:KVAD27S4YKPLFMRV25Z5GSZTA2

not attested not anchored not stored refs pending

Measuring thickness in thin NbN films for superconducting devices

Ilya Charaev, Karl K Berggren, Marco Colangelo, Owen Medeiros

arxiv:1812.05559 v3 · 2018-12-13 · physics.app-ph · 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{KVAD27S4YKPLFMRV25Z5GSZTA2}

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	2026-05-17T23:47:58.878987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55403d7e5cc29eb2b235d773d34b3306a90c42f43748009106ff0c3be7b3cf71

Aliases

arxiv: 1812.05559 · arxiv_version: 1812.05559v3 · doi: 10.48550/arxiv.1812.05559 · pith_short_12: KVAD27S4YKPL · pith_short_16: KVAD27S4YKPLFMRV · pith_short_8: KVAD27S4

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/KVAD27S4YKPLFMRV25Z5GSZTA2 \
  | 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: 55403d7e5cc29eb2b235d773d34b3306a90c42f43748009106ff0c3be7b3cf71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7300c0cd5bf2e22cabdc126656bb3957af92f74935b10f752bb9f37ff5533b6b",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-12-13T18:18:09Z",
    "title_canon_sha256": "56d6d3c71fa69beb0fc463e5e73dff5a4e0bafa6fd6837c787934118d7747d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05559",
    "kind": "arxiv",
    "version": 3
  }
}