Pith Number

pith:YFZQV6GC

pith:2014:YFZQV6GCQHSPJWA7DOTH4K3MLU

not attested not anchored not stored refs pending

Zeros of the Zak transform of totally positive functions

Tobias Kloos

arxiv:1411.1539 v1 · 2014-11-06 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YFZQV6GCQHSPJWA7DOTH4K3MLU}

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	2026-05-18T02:38:27.651961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1730af8c281e4f4d81f1ba67e2b6c5d024133af232f487444606d77fdef1438

Aliases

arxiv: 1411.1539 · arxiv_version: 1411.1539v1 · doi: 10.48550/arxiv.1411.1539 · pith_short_12: YFZQV6GCQHSP · pith_short_16: YFZQV6GCQHSPJWA7 · pith_short_8: YFZQV6GC

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/YFZQV6GCQHSPJWA7DOTH4K3MLU \
  | 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: c1730af8c281e4f4d81f1ba67e2b6c5d024133af232f487444606d77fdef1438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6da49cd6e241bee5417cd332482b678ef18df646c2c570f439ea11c8029573",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-11-06T09:23:19Z",
    "title_canon_sha256": "2fb716a731699bbf651b883aebe73d43059f5e8c9cef2c190e37486ed03834d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1539",
    "kind": "arxiv",
    "version": 1
  }
}