Pith Number

pith:5BMA4ICS

pith:2016:5BMA4ICSKTPTAVZAA5KBOUWMUE

not attested not anchored not stored refs pending

Deformed Fourier models with formal parameters

Teodor Banica

arxiv:1603.09433 v2 · 2016-03-31 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BMA4ICSKTPTAVZAA5KBOUWMUE}

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	2026-05-18T00:35:55.727932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8580e205254df30572007541752cca1020f8aa27cd6ec7c5f533828786a0e35

Aliases

arxiv: 1603.09433 · arxiv_version: 1603.09433v2 · doi: 10.48550/arxiv.1603.09433 · pith_short_12: 5BMA4ICSKTPT · pith_short_16: 5BMA4ICSKTPTAVZA · pith_short_8: 5BMA4ICS

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/5BMA4ICSKTPTAVZAA5KBOUWMUE \
  | 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: e8580e205254df30572007541752cca1020f8aa27cd6ec7c5f533828786a0e35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16bfb80ca23647f6898b8c84a0e846bf5905bfc0f7e653b8e3f69fa79303cf3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-03-31T01:19:05Z",
    "title_canon_sha256": "4aaf9cec82ee4912306e0fb9a9a401cfe894d002c72ffb05280045d3b8c1e4a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09433",
    "kind": "arxiv",
    "version": 2
  }
}