Pith Number

pith:N2EVB75W

pith:2018:N2EVB75WWZ5MNS5DS3RI4JMNM4

not attested not anchored not stored refs pending

On the Existence of Stable Unduloids of Dimension Eight

David Hartley

arxiv:1810.05942 v2 · 2018-10-13 · math.DG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2EVB75WWZ5MNS5DS3RI4JMNM4}

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	2026-05-18T00:02:44.108470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e8950ffb6b67ac6cba396e28e258d67019c77876defc94b05c4fd3280cbfbc8

Aliases

arxiv: 1810.05942 · arxiv_version: 1810.05942v2 · doi: 10.48550/arxiv.1810.05942 · pith_short_12: N2EVB75WWZ5M · pith_short_16: N2EVB75WWZ5MNS5D · pith_short_8: N2EVB75W

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/N2EVB75WWZ5MNS5DS3RI4JMNM4 \
  | 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: 6e8950ffb6b67ac6cba396e28e258d67019c77876defc94b05c4fd3280cbfbc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d07d50f23aeee1fd46aea5969fbbda66458dafce94942141d9e155e12c6e701d",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-13T23:35:36Z",
    "title_canon_sha256": "4bc9caaf25523275f310082b175f2ce1ee6cfe6043d25f052983c3c302fd93e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05942",
    "kind": "arxiv",
    "version": 2
  }
}