Pith Number

pith:CA63YFHJ

pith:2017:CA63YFHJWNYASYIS2KHS6IEC7B

not attested not anchored not stored refs pending

Exceptional rays and bilipschitz geometry of real surface singularities

Donal O'Shea, Leslie Wilson

arxiv:1705.05069 v1 · 2017-05-15 · 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{CA63YFHJWNYASYIS2KHS6IEC7B}

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	2026-05-18T00:44:32.934572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103dbc14e9b370096112d28f2f2082f87de92c19b7db6f3d898e5379e424d7f7

Aliases

arxiv: 1705.05069 · arxiv_version: 1705.05069v1 · doi: 10.48550/arxiv.1705.05069 · pith_short_12: CA63YFHJWNYA · pith_short_16: CA63YFHJWNYASYIS · pith_short_8: CA63YFHJ

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/CA63YFHJWNYASYIS2KHS6IEC7B \
  | 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: 103dbc14e9b370096112d28f2f2082f87de92c19b7db6f3d898e5379e424d7f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9957e1a59a969477ce626fe0044252d789c40ba211c132a56954d6fa77c86d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-05-15T04:25:26Z",
    "title_canon_sha256": "cd3eb0660f5b03f4be13d178f0c23cbd9466278819048e64a3b1bd41683d79c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05069",
    "kind": "arxiv",
    "version": 1
  }
}