Pith Number

pith:63HFAOKZ

pith:2014:63HFAOKZNHDQCH4FP74TSHKA7K

not attested not anchored not stored refs pending

Low-Pass Filters, Fourier Series and Partial Differential Equations

Jorge L. deLyra

arxiv:1410.8710 v2 · 2014-10-31 · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63HFAOKZNHDQCH4FP74TSHKA7K}

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	2026-05-18T02:20:09.891740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6ce50395969c7011f857ff9391d40fa98d1fb623c4dda8e19379f1c5aa14577

Aliases

arxiv: 1410.8710 · arxiv_version: 1410.8710v2 · doi: 10.48550/arxiv.1410.8710 · pith_short_12: 63HFAOKZNHDQ · pith_short_16: 63HFAOKZNHDQCH4F · pith_short_8: 63HFAOKZ

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/63HFAOKZNHDQCH4FP74TSHKA7K \
  | 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: f6ce50395969c7011f857ff9391d40fa98d1fb623c4dda8e19379f1c5aa14577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b038b58266ecbc17966f45742f13858c943b04598254f5efeb1914fbb96cfc",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-10-31T11:32:07Z",
    "title_canon_sha256": "b4b98423400cc0be9b62147858f89083e24a562308d21dd82280cf1cba784e8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8710",
    "kind": "arxiv",
    "version": 2
  }
}