Pith Number

pith:54A5ZSVZ

pith:2013:54A5ZSVZICQUPJQFT6UGRA7ECC

not attested not anchored not stored refs pending

Fredholm properties of nonlocal differential operators via spectral flow

Arnd Scheel, Gregory Faye

arxiv:1306.3044 v1 · 2013-06-13 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54A5ZSVZICQUPJQFT6UGRA7ECC}

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	2026-05-18T03:20:59.742766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef01dccab940a147a6059fa86883e410b48175d0c8ea1955883b22f42dfc9990

Aliases

arxiv: 1306.3044 · arxiv_version: 1306.3044v1 · doi: 10.48550/arxiv.1306.3044 · pith_short_12: 54A5ZSVZICQU · pith_short_16: 54A5ZSVZICQUPJQF · pith_short_8: 54A5ZSVZ

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/54A5ZSVZICQUPJQFT6UGRA7ECC \
  | 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: ef01dccab940a147a6059fa86883e410b48175d0c8ea1955883b22f42dfc9990

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af287bccfecbfd1c6e6930cde4e19e468ed713f9c3c03544963cb293ff6dabd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-06-13T07:44:15Z",
    "title_canon_sha256": "7ce97944884f587d740c8d70f01db83fd7b04d75f9a73a3627430fe0a9b33b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3044",
    "kind": "arxiv",
    "version": 1
  }
}