Pith Number

pith:JPUQC7NN

pith:2026:JPUQC7NNR4KIDBJGVMYCCHBJPV

not attested not anchored not stored refs pending

Foliated and Mather-Jacobian discrepancies via tangential arcs

Maur\'icio Corr\^ea

arxiv:2607.01809 v1 · 2026-07-02 · math.AG · math.CV · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPUQC7NNR4KIDBJGVMYCCHBJPV}

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	2026-07-03T01:17:30.469446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4be9017dad8f14818526ab30211c297d4ffa8625a46107910a52eb5c12dc980e

Aliases

arxiv: 2607.01809 · arxiv_version: 2607.01809v1 · doi: 10.48550/arxiv.2607.01809 · pith_short_12: JPUQC7NNR4KI · pith_short_16: JPUQC7NNR4KIDBJG · pith_short_8: JPUQC7NN

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/JPUQC7NNR4KIDBJGVMYCCHBJPV \
  | 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: 4be9017dad8f14818526ab30211c297d4ffa8625a46107910a52eb5c12dc980e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "364bfeccda585c3ace8ae8998bc8dcb9d99d2572217f484378f3bfba13b416c2",
    "cross_cats_sorted": [
      "math.CV",
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-07-02T07:23:06Z",
    "title_canon_sha256": "47d1f17cf0073589dce9ef02ea56ffa7d8546783ce3bb8fd7f63666c0201dea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01809",
    "kind": "arxiv",
    "version": 1
  }
}