Pith Number

pith:ZPC574XO

pith:2018:ZPC574XOKRWEBL2VATS66NBQDX

not attested not anchored not stored refs pending

Twist interval for twist maps

Pengfei Zhang

arxiv:1805.11086 v1 · 2018-05-28 · 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{ZPC574XOKRWEBL2VATS66NBQDX}

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	2026-05-18T00:14:48.322700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc5dff2ee546c40af5504e5ef34301de12e094fd6cff1222e1af2777cfa1363

Aliases

arxiv: 1805.11086 · arxiv_version: 1805.11086v1 · doi: 10.48550/arxiv.1805.11086 · pith_short_12: ZPC574XOKRWE · pith_short_16: ZPC574XOKRWEBL2V · pith_short_8: ZPC574XO

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/ZPC574XOKRWEBL2VATS66NBQDX \
  | 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: cbc5dff2ee546c40af5504e5ef34301de12e094fd6cff1222e1af2777cfa1363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19324eb8972bf0074ab1bd176fa6356fd46b26ac64c4033e2a58e0f7e7236882",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-05-28T17:56:30Z",
    "title_canon_sha256": "aa17148481b5c5e077abc431bf565cb2d1c2ad2a7bc2ebfb94ad533e1b42e3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11086",
    "kind": "arxiv",
    "version": 1
  }
}