Pith Number

pith:6UQBPFCR

pith:1996:6UQBPFCRXCPS4JFX72EKXQT222

not attested not anchored not stored refs pending

Geography of the cubic connectedness locus I: Intertwining surgery

Adam L. Epstein, Michael Yampolsky

arxiv:math/9608213 v1 · 1996-08-15 · 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{6UQBPFCRXCPS4JFX72EKXQT222}

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	2026-05-18T01:05:47.078647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f520179451b89f2e24b7fe88abc27ad6871b7cd29b6feabc11b427682f3efa81

Aliases

arxiv: math/9608213 · arxiv_version: math/9608213v1 · doi: 10.48550/arxiv.math/9608213 · pith_short_12: 6UQBPFCRXCPS · pith_short_16: 6UQBPFCRXCPS4JFX · pith_short_8: 6UQBPFCR

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/6UQBPFCRXCPS4JFX72EKXQT222 \
  | 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: f520179451b89f2e24b7fe88abc27ad6871b7cd29b6feabc11b427682f3efa81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8a6be043025bdd2d8d4d4300b5f30b1e244c9be1ac2a0c98ee6d7117fb231d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "1996-08-15T00:00:00Z",
    "title_canon_sha256": "900aaeff7845228e27d3c030224ecbe04ce55d021e5fd53a3c02ef94599b89ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9608213",
    "kind": "arxiv",
    "version": 1
  }
}