Pith Number

pith:WRTEM23S

pith:1999:WRTEM23S5IZX2VNLH72RNNDU25

not attested not anchored not stored refs pending

Fixed Number and Quantum Size Effects in Nanoscale Superconductors

F. Marsiglio, K. Tanaka

arxiv:cond-mat/9912489 v1 · 1999-12-31 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRTEM23S5IZX2VNLH72RNNDU25}

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	2026-05-18T01:39:25.261783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b466466b72ea337d55ab3ff516b474d7415bd22980f52a9be633fb9acaf28b2a

Aliases

arxiv: cond-mat/9912489 · arxiv_version: cond-mat/9912489v1 · doi: 10.48550/arxiv.cond-mat/9912489 · pith_short_12: WRTEM23S5IZX · pith_short_16: WRTEM23S5IZX2VNL · pith_short_8: WRTEM23S

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/WRTEM23S5IZX2VNLH72RNNDU25 \
  | 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: b466466b72ea337d55ab3ff516b474d7415bd22980f52a9be633fb9acaf28b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0d3c90ecb2271e57702f68111562e7fe97633c8d6e637244744383349eea1b",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-12-31T01:04:04Z",
    "title_canon_sha256": "b1423a3cd2fecf21cd78192d6fb36dda37c7d2d2ffceb3190aff4235e3461111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9912489",
    "kind": "arxiv",
    "version": 1
  }
}