Pith Number

pith:QSU2VU6N

pith:1998:QSU2VU6NFGCZ4ZMDLM6UEYJJF4

not attested not anchored not stored refs pending

Superconductivity in Ultrasmall Metallic Grains

Fabian Braun, Jan von Delft

arxiv:cond-mat/9801170 v1 · 1998-01-16 · cond-mat.supr-con · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSU2VU6NFGCZ4ZMDLM6UEYJJF4}

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	2026-07-04T16:07:31.810530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a9aad3cd29859e65835b3d4261292f064c53ad92c2c26c217ecce4f02743c3

Aliases

arxiv: cond-mat/9801170 · arxiv_version: cond-mat/9801170v1 · doi: 10.48550/arxiv.cond-mat/9801170 · pith_short_12: QSU2VU6NFGCZ · pith_short_16: QSU2VU6NFGCZ4ZMD · pith_short_8: QSU2VU6N

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/QSU2VU6NFGCZ4ZMDLM6UEYJJF4 \
  | 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: 84a9aad3cd29859e65835b3d4261292f064c53ad92c2c26c217ecce4f02743c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc492d8a564b98693cb89b30328281fffc1a2a1448f53865b10e45911fdae3ab",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1998-01-16T15:09:59Z",
    "title_canon_sha256": "1c0c340a5f59811f200641e2560b0dabe3cf55116f9a7c44a05deb89d70027e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9801170",
    "kind": "arxiv",
    "version": 1
  }
}