Pith Number

pith:M3YKGW7W

pith:2025:M3YKGW7WDISPWS2KWGU5MEC2OF

not attested not anchored not stored refs pending

Nuclear spin coherence in superconducting Nb$_3$Sn

Arneil P. Reyes, Chiara Tarantini, David C. Larbalestier, Gan Zhai, Manish Mandal, Sam Posen, William P. Halperin

arxiv:2502.00566 v3 · 2025-02-01 · 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{M3YKGW7WDISPWS2KWGU5MEC2OF}

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	2026-07-05T11:23:22.848614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f0a35bf61a24fb4b4ab1a9d6105a717060a8dc5945bfb8cfc2b155ef180027

Aliases

arxiv: 2502.00566 · arxiv_version: 2502.00566v3 · doi: 10.48550/arxiv.2502.00566 · pith_short_12: M3YKGW7WDISP · pith_short_16: M3YKGW7WDISPWS2K · pith_short_8: M3YKGW7W

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/M3YKGW7WDISPWS2KWGU5MEC2OF \
  | 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: 66f0a35bf61a24fb4b4ab1a9d6105a717060a8dc5945bfb8cfc2b155ef180027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f12cc0480607a6ae84ec7bd3dbce444bb77e038cb39540c2c1b6efaf347f965",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2025-02-01T21:24:59Z",
    "title_canon_sha256": "44e33ec51977df1cf9aa57010e77f9782cb3ce6c88dcfde3b1f4f74c841fa90f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00566",
    "kind": "arxiv",
    "version": 3
  }
}