Pith Number

pith:SXWR4YHH

pith:2005:SXWR4YHHZ5WIY24ROHVT2ET7ZT

not attested not anchored not stored refs pending

Toy operads

Eugen Paal

arxiv:math/0504032 v1 · 2005-04-02 · math.QA · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXWR4YHHZ5WIY24ROHVT2ET7ZT}

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	2026-05-18T01:29:38.962989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ed1e60e7cf6c8c6b9171eb3d127fccefd4a3bb5a28c961f2e00481e1c07ee6

Aliases

arxiv: math/0504032 · arxiv_version: math/0504032v1 · doi: 10.48550/arxiv.math/0504032 · pith_short_12: SXWR4YHHZ5WI · pith_short_16: SXWR4YHHZ5WIY24R · pith_short_8: SXWR4YHH

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/SXWR4YHHZ5WIY24ROHVT2ET7ZT \
  | 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: 95ed1e60e7cf6c8c6b9171eb3d127fccefd4a3bb5a28c961f2e00481e1c07ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b261319996d383204abb9598585cf3aaf2c11ed0e0a27601f7adb204b26c5858",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2005-04-02T06:02:05Z",
    "title_canon_sha256": "480f2ddacab015fe4253e308839973e3e11d92aa5919b1692bae6a080c26e57e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504032",
    "kind": "arxiv",
    "version": 1
  }
}