Pith Number

pith:4RBQDDKS

pith:2015:4RBQDDKSWSA7O7Q7AUPZELZIP3

not attested not anchored not stored refs pending

On the physical significance of London's equation

Antoine Khater, Jacob Szeftel, Nicolas Sandeau

arxiv:1507.03330 v1 · 2015-07-13 · 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{4RBQDDKSWSA7O7Q7AUPZELZIP3}

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	2026-05-18T01:36:46.402583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e443018d52b481f77e1f051f922f287eda5bcd9fcf22ebb78fec33b88adc11ea

Aliases

arxiv: 1507.03330 · arxiv_version: 1507.03330v1 · doi: 10.48550/arxiv.1507.03330 · pith_short_12: 4RBQDDKSWSA7 · pith_short_16: 4RBQDDKSWSA7O7Q7 · pith_short_8: 4RBQDDKS

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/4RBQDDKSWSA7O7Q7AUPZELZIP3 \
  | 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: e443018d52b481f77e1f051f922f287eda5bcd9fcf22ebb78fec33b88adc11ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31a56d1f7620c1c73206ec1d271761069e4dfa65f735ed347bc0b17bd616f77e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-07-13T06:15:05Z",
    "title_canon_sha256": "eede971660cdeb9795c9531d778c76794750f65e06bb42724ab9e575d3e4f8e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03330",
    "kind": "arxiv",
    "version": 1
  }
}