Pith Number

pith:ZQ7P5FRX

pith:2014:ZQ7P5FRXS5VI4KHRKDOC5GUMHV

not attested not anchored not stored refs pending

Level sets of the resolvent norm of a linear operator revisited

E. B. Davies, Eugene Shargorodsky

arxiv:1408.2354 v2 · 2014-08-11 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQ7P5FRXS5VI4KHRKDOC5GUMHV}

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	2026-05-18T01:25:03.259355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3efe9637976a8e28f150dc2e9a8c3d45217d70ed50935408efee84c0fc7fa4

Aliases

arxiv: 1408.2354 · arxiv_version: 1408.2354v2 · doi: 10.48550/arxiv.1408.2354 · pith_short_12: ZQ7P5FRXS5VI · pith_short_16: ZQ7P5FRXS5VI4KHR · pith_short_8: ZQ7P5FRX

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/ZQ7P5FRXS5VI4KHRKDOC5GUMHV \
  | 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: cc3efe9637976a8e28f150dc2e9a8c3d45217d70ed50935408efee84c0fc7fa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cc1d0cac42d9196d900ecb5604bb74bcb806a3fb827513452cc2004753d2f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-08-11T09:00:20Z",
    "title_canon_sha256": "c9f72e6760bd79b0dc1515eadd7fe6a55eccaba56107ee988d091aaf71f942c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2354",
    "kind": "arxiv",
    "version": 2
  }
}