Pith Number

pith:23M2WZGF

pith:2012:23M2WZGF34B34CK76G3V5QWS2W

not attested not anchored not stored refs pending

Pseudospectra of Semiclassical Boundary Value Problems

Jeffrey Galkowski

arxiv:1211.3366 v5 · 2012-11-14 · 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{23M2WZGF34B34CK76G3V5QWS2W}

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	2026-05-18T00:47:43.591526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6d9ab64c5df03be095ff1b75ec2d2d5b60638df7cca0f19835349c5f4c7be98

Aliases

arxiv: 1211.3366 · arxiv_version: 1211.3366v5 · doi: 10.48550/arxiv.1211.3366 · pith_short_12: 23M2WZGF34B3 · pith_short_16: 23M2WZGF34B34CK7 · pith_short_8: 23M2WZGF

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/23M2WZGF34B34CK76G3V5QWS2W \
  | 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: d6d9ab64c5df03be095ff1b75ec2d2d5b60638df7cca0f19835349c5f4c7be98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3f739bf6cd6ea0653bec76275968c39c6b9ee16744226a6ff7ef158ec93944f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-11-14T17:46:51Z",
    "title_canon_sha256": "92a90b5d7bb919aa5b85b2bc83b7d5c0cf3e68ff8e99018d98bdf3a3a2fd71dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3366",
    "kind": "arxiv",
    "version": 5
  }
}