Pith Number

pith:TXD554SL

pith:2017:TXD554SLGIF2TM7XFKBC6VDOFM

not attested not anchored not stored refs pending

On foliations by curves with singularities of positive dimension

Arturo Fern\'andez-P\'erez, Gilcione Nonato Costa

arxiv:1711.02906 v1 · 2017-11-08 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXD554SLGIF2TM7XFKBC6VDOFM}

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	2026-05-18T00:31:01.385664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dc7def24b320ba9b3f72a822f546e2b3fa603e2436eb8cef4e6b4c4e50252dd

Aliases

arxiv: 1711.02906 · arxiv_version: 1711.02906v1 · doi: 10.48550/arxiv.1711.02906 · pith_short_12: TXD554SLGIF2 · pith_short_16: TXD554SLGIF2TM7X · pith_short_8: TXD554SL

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/TXD554SLGIF2TM7XFKBC6VDOFM \
  | 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: 9dc7def24b320ba9b3f72a822f546e2b3fa603e2436eb8cef4e6b4c4e50252dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc26bdf4e3b9d13dfe80cf0f7178811c4ea9c6ddfa841d2b46d9706dd9f45efa",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-08T11:18:00Z",
    "title_canon_sha256": "67c43819bcc4974a542085ad7aa2b241f77546ac7feec121d144f8a23304f1c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02906",
    "kind": "arxiv",
    "version": 1
  }
}