Pith Number

pith:F5QNTZ43

pith:2018:F5QNTZ43BVE4FFEVYXCPYFB2KQ

not attested not anchored not stored refs pending

Factorization of Scalar Piecewise Continuous Almost Periodic Functions

Liangping Qi, Rong Yuan

arxiv:1802.08854 v1 · 2018-02-24 · 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{F5QNTZ43BVE4FFEVYXCPYFB2KQ}

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	2026-05-18T00:22:36.236355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f60d9e79b0d49c29495c5c4fc143a5401a4134d443a46d5efc472386fe5134f

Aliases

arxiv: 1802.08854 · arxiv_version: 1802.08854v1 · doi: 10.48550/arxiv.1802.08854 · pith_short_12: F5QNTZ43BVE4 · pith_short_16: F5QNTZ43BVE4FFEV · pith_short_8: F5QNTZ43

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/F5QNTZ43BVE4FFEVYXCPYFB2KQ \
  | 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: 2f60d9e79b0d49c29495c5c4fc143a5401a4134d443a46d5efc472386fe5134f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "348381add77008cc3ed9cb46447934be17bcad6766f8980e1f6d504c4f083d81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-02-24T14:39:07Z",
    "title_canon_sha256": "57691131d28dd5a1c4e8dc82d85d131e78b1774c6cb96294ce60ee4546e752d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08854",
    "kind": "arxiv",
    "version": 1
  }
}