Pith Number

pith:SGAU6RAN

pith:2016:SGAU6RANVR6HIS5BFZD5ULZTPP

not attested not anchored not stored refs pending

Regularization around a generic codimension one fold-fold singularity

Carles Bonet-Rev\'es, Juliana Larrosa, Tere M-Seara

arxiv:1605.02376 v2 · 2016-05-08 · 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{SGAU6RANVR6HIS5BFZD5ULZTPP}

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	2026-05-18T00:23:46.183636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91814f440dac7c744ba12e47da2f337bc049d99b45dfe7c7eb0c30bfdd34f612

Aliases

arxiv: 1605.02376 · arxiv_version: 1605.02376v2 · doi: 10.48550/arxiv.1605.02376 · pith_short_12: SGAU6RANVR6H · pith_short_16: SGAU6RANVR6HIS5B · pith_short_8: SGAU6RAN

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/SGAU6RANVR6HIS5BFZD5ULZTPP \
  | 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: 91814f440dac7c744ba12e47da2f337bc049d99b45dfe7c7eb0c30bfdd34f612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0820246be08d93a19bfa92d49198d66ad989c433f2639659e031e1a7925cbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-05-08T22:38:10Z",
    "title_canon_sha256": "6c7a5e6427fda75761db2125ba40f2b604fc649b98586d84ed363f7203e22ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02376",
    "kind": "arxiv",
    "version": 2
  }
}