Pith Number

pith:2RW23M6B

pith:2014:2RW23M6B72YGHUA5LTIN7SIHJD

not attested not anchored not stored refs pending

On Semi-Fredholm Band-Dominated Operators

Markus Seidel

arxiv:1407.8104 v1 · 2014-07-30 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RW23M6B72YGHUA5LTIN7SIHJD}

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	2026-05-18T01:26:25.612670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d46dadb3c1feb063d01d5cd0dfc90748da4af5f0c46fea075c596378f5678c8e

Aliases

arxiv: 1407.8104 · arxiv_version: 1407.8104v1 · doi: 10.48550/arxiv.1407.8104 · pith_short_12: 2RW23M6B72YG · pith_short_16: 2RW23M6B72YGHUA5 · pith_short_8: 2RW23M6B

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/2RW23M6B72YGHUA5LTIN7SIHJD \
  | 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: d46dadb3c1feb063d01d5cd0dfc90748da4af5f0c46fea075c596378f5678c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9688186e452dbe72027ab85b0497c27a7792feb5f4b82119c14180d6a717bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-07-30T15:50:39Z",
    "title_canon_sha256": "b7557c7c713ecd1ed5633c7cb15c4304e8b61a2854e23bfe1335d065da480ffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8104",
    "kind": "arxiv",
    "version": 1
  }
}