Pith Number

pith:G6IVDDUB

pith:2017:G6IVDDUBNYPQZSSRJQP4L5VAZA

not attested not anchored not stored refs pending

Topology of hypersurface singularities

Walter D Neumann

arxiv:1706.04386 v1 · 2017-06-14 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6IVDDUBNYPQZSSRJQP4L5VAZA}

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	2026-05-18T00:42:22.809992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3791518e816e1f0cca514c1fc5f6a0c801356109ac59a992e04ee53a85d69710

Aliases

arxiv: 1706.04386 · arxiv_version: 1706.04386v1 · doi: 10.48550/arxiv.1706.04386 · pith_short_12: G6IVDDUBNYPQ · pith_short_16: G6IVDDUBNYPQZSSR · pith_short_8: G6IVDDUB

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/G6IVDDUBNYPQZSSRJQP4L5VAZA \
  | 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: 3791518e816e1f0cca514c1fc5f6a0c801356109ac59a992e04ee53a85d69710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc9e77447280e465ab79ee182108b477413097d653e4cc7df1ef6dbe42dbb9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-06-14T09:49:12Z",
    "title_canon_sha256": "169b36232517a6851109496a57b901e50fbbef858b15a9954669276c9cc5be01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04386",
    "kind": "arxiv",
    "version": 1
  }
}