Pith Number

pith:SDJXG4AB

pith:2011:SDJXG4ABBVEV6YBTCFTGF7TMDR

not attested not anchored not stored refs pending

Quasisymmetric graphs and Zygmund functions

Jani Onninen, Leonid V. Kovalev

arxiv:1107.2435 v1 · 2011-07-12 · math.CV · 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{SDJXG4ABBVEV6YBTCFTGF7TMDR}

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	2026-05-18T03:41:11.153965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d37370010d495f6033116662fe6c1c7618dbd22731ed54165a2b571ffd7ce3

Aliases

arxiv: 1107.2435 · arxiv_version: 1107.2435v1 · doi: 10.48550/arxiv.1107.2435 · pith_short_12: SDJXG4ABBVEV · pith_short_16: SDJXG4ABBVEV6YBT · pith_short_8: SDJXG4AB

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/SDJXG4ABBVEV6YBTCFTGF7TMDR \
  | 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: 90d37370010d495f6033116662fe6c1c7618dbd22731ed54165a2b571ffd7ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8caab6a33f3d8efd4f4092af53d6b6f773ebfd64e66fca740cd7a20b87659ed1",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-07-12T23:16:12Z",
    "title_canon_sha256": "e5ddfe64decd2f6cf13bf40661503546f1a2a0dc689baa1ecd7c0e3696fe1b4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2435",
    "kind": "arxiv",
    "version": 1
  }
}