Pith Number

pith:XO3TE2WG

pith:2014:XO3TE2WGE662HW7D4OKT22LENA

not attested not anchored not stored refs pending

Remarks on the convergence of pseudospectra

Petr Siegl, Sabine B\"ogli

arxiv:1408.3431 v1 · 2014-08-14 · 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{XO3TE2WGE662HW7D4OKT22LENA}

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	2026-05-18T02:41:41.099726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbb7326ac627bda3dbe3e3953d6964681b2be4c1605830b02aa97701a869d643

Aliases

arxiv: 1408.3431 · arxiv_version: 1408.3431v1 · doi: 10.48550/arxiv.1408.3431 · pith_short_12: XO3TE2WGE662 · pith_short_16: XO3TE2WGE662HW7D · pith_short_8: XO3TE2WG

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/XO3TE2WGE662HW7D4OKT22LENA \
  | 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: bbb7326ac627bda3dbe3e3953d6964681b2be4c1605830b02aa97701a869d643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4a1fb0fcafb8789d115210750f815620a1955ee0e765658794bc5d7bba381e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-08-14T21:05:52Z",
    "title_canon_sha256": "4d2a1fcf2d6ef39b2471e36130bbbec91fca67a8a4c7294aa9c0c9a6cc8c9c4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3431",
    "kind": "arxiv",
    "version": 1
  }
}