Pith Number

pith:NO62EGIV

pith:2018:NO62EGIVVKBQ7KDVXLJGVQ4IGQ

not attested not anchored not stored refs pending

Smoothly embedding Seifert fibered spaces in $S^4$

Ahmad Issa, Duncan McCoy

arxiv:1810.04770 v1 · 2018-10-10 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NO62EGIVVKBQ7KDVXLJGVQ4IGQ}

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.

Cited by

1 paper in Pith

On contact type hypersurfaces in 4-space

Receipt and verification

First computed	2026-05-18T00:03:35.932398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bbda21915aa830fa875bad26ac3883426c2593835d4def7185369a5523b9669

Aliases

arxiv: 1810.04770 · arxiv_version: 1810.04770v1 · doi: 10.48550/arxiv.1810.04770 · pith_short_12: NO62EGIVVKBQ · pith_short_16: NO62EGIVVKBQ7KDV · pith_short_8: NO62EGIV

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/NO62EGIVVKBQ7KDVXLJGVQ4IGQ \
  | 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: 6bbda21915aa830fa875bad26ac3883426c2593835d4def7185369a5523b9669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04548156bbd9f098daead7e2fe78e0180be5c164e4d425b526be8eae8b54c1d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-10-10T23:02:11Z",
    "title_canon_sha256": "023ad291a9d52a113f27e6fd62724a8747e10b8a7d51fe357aff2927182c612b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04770",
    "kind": "arxiv",
    "version": 1
  }
}