Pith Number

pith:YSHX55GJ

pith:2016:YSHX55GJVUB7LXYZ7TRG55GQTE

not attested not anchored not stored refs pending

Unbounded Hankel operators and moment problems

D. R. Yafaev

arxiv:1601.08042 v3 · 2016-01-29 · math.FA · math.CA · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSHX55GJVUB7LXYZ7TRG55GQTE}

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	2026-05-17T23:46:11.481684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c48f7ef4c9ad03f5df19fce26ef4d09924049892265c9f96aac2b8db780cbe84

Aliases

arxiv: 1601.08042 · arxiv_version: 1601.08042v3 · doi: 10.48550/arxiv.1601.08042 · pith_short_12: YSHX55GJVUB7 · pith_short_16: YSHX55GJVUB7LXYZ · pith_short_8: YSHX55GJ

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/YSHX55GJVUB7LXYZ7TRG55GQTE \
  | 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: c48f7ef4c9ad03f5df19fce26ef4d09924049892265c9f96aac2b8db780cbe84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27eecb6a994d97c83f01f32906f39f533cad726c019d3154a01d022cc098e059",
    "cross_cats_sorted": [
      "math.CA",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-01-29T10:33:43Z",
    "title_canon_sha256": "f1b86bb99813c902024c2e32a8e22b2fcff5236a8f31fef55c8cddf0102afe24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08042",
    "kind": "arxiv",
    "version": 3
  }
}