Pith Number

pith:UQPQTITX

pith:2018:UQPQTITXABB2WXL4DLTBGV5GTY

not attested not anchored not stored refs pending

Characterizations for inner functions in certain function spaces

Atte Reijonen, Toshiyuki Sugawa

arxiv:1801.09832 v2 · 2018-01-30 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQPQTITXABB2WXL4DLTBGV5GTY}

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	2026-05-18T00:01:15.157069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41f09a2770043ab5d7c1ae61357a69e2a0d253d29585f67bf53d52c2ee79ddd

Aliases

arxiv: 1801.09832 · arxiv_version: 1801.09832v2 · doi: 10.48550/arxiv.1801.09832 · pith_short_12: UQPQTITXABB2 · pith_short_16: UQPQTITXABB2WXL4 · pith_short_8: UQPQTITX

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/UQPQTITXABB2WXL4DLTBGV5GTY \
  | 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: a41f09a2770043ab5d7c1ae61357a69e2a0d253d29585f67bf53d52c2ee79ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4deb3c05091dca8ae629299bd0f736a5a9cce702303b7cf5f10b19daa23a3f17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-01-30T02:48:32Z",
    "title_canon_sha256": "0c6e59d4a1998a98c11cd0afa308497cec3ef6ded13c811f40206cb506bbcf9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09832",
    "kind": "arxiv",
    "version": 2
  }
}