Pith Number

pith:H63XTYDF

pith:2014:H63XTYDF7TQL5UQSODDLJNPAGU

not attested not anchored not stored refs pending

Levinson Theorem for Differential Equations with Piecewise Constant Argument Generalized

Samuel Castillo, Wilfred Flores

arxiv:1409.8249 v2 · 2014-09-29 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H63XTYDF7TQL5UQSODDLJNPAGU}

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	2026-05-18T02:04:00.196715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb779e065fce0bed21270c6b4b5e035288d457b6f5dd9adeaa6c7a60732e8d7

Aliases

arxiv: 1409.8249 · arxiv_version: 1409.8249v2 · doi: 10.48550/arxiv.1409.8249 · pith_short_12: H63XTYDF7TQL · pith_short_16: H63XTYDF7TQL5UQS · pith_short_8: H63XTYDF

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/H63XTYDF7TQL5UQSODDLJNPAGU \
  | 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: 3fb779e065fce0bed21270c6b4b5e035288d457b6f5dd9adeaa6c7a60732e8d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a7bc8923002f7bb010c67ade861bf904a0af186edf4aa5087a60af962178332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-09-29T19:34:48Z",
    "title_canon_sha256": "84eaafcdd788c89f9f28a0d437168bd94335be5438454983d002eb5153f049c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8249",
    "kind": "arxiv",
    "version": 2
  }
}