Pith Number

pith:4M44T5U4

pith:2018:4M44T5U4FSRVVKR3J7XO626FH2

not attested not anchored not stored refs pending

A question of Norton-Sullivan in the analytic case

Hui Yang, Jian Wang

arxiv:1809.07284 v1 · 2018-09-19 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M44T5U4FSRVVKR3J7XO626FH2}

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	2026-05-18T00:05:20.188011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e339c9f69c2ca35aaa3b4feeef6bc53ea9355aa8d07ebc2a12bf538306942492

Aliases

arxiv: 1809.07284 · arxiv_version: 1809.07284v1 · doi: 10.48550/arxiv.1809.07284 · pith_short_12: 4M44T5U4FSRV · pith_short_16: 4M44T5U4FSRVVKR3 · pith_short_8: 4M44T5U4

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/4M44T5U4FSRVVKR3J7XO626FH2 \
  | 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: e339c9f69c2ca35aaa3b4feeef6bc53ea9355aa8d07ebc2a12bf538306942492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cc67d618a1e95c17895f35b95f5e2da46007c8fbe7f175c52c2bb6cf9b71ffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-09-19T16:22:56Z",
    "title_canon_sha256": "991b03f5a13948575ac815924efa5e94bfe9100b92192845430eab6fa9ad20f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07284",
    "kind": "arxiv",
    "version": 1
  }
}