Pith Number

pith:FZFRESUG

pith:2019:FZFRESUGSFMFO4FTDQODMWKK27

not attested not anchored not stored refs pending

Irreducibility of analytic arc-sections of hypersurface singularities

Maria Pe Pereira, Miguel Angel Marco-Buzunariz

arxiv:1904.00298 v1 · 2019-03-30 · 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{FZFRESUGSFMFO4FTDQODMWKK27}

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	2026-05-17T23:49:48.854518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4b124a8691585770b31c1c36594ad7c6925c292e3918637fac098616e4c439

Aliases

arxiv: 1904.00298 · arxiv_version: 1904.00298v1 · doi: 10.48550/arxiv.1904.00298 · pith_short_12: FZFRESUGSFMF · pith_short_16: FZFRESUGSFMFO4FT · pith_short_8: FZFRESUG

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/FZFRESUGSFMFO4FTDQODMWKK27 \
  | 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: 2e4b124a8691585770b31c1c36594ad7c6925c292e3918637fac098616e4c439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c808cdd94e26233da4bace4a52da1b7f553af9a8fd03f0c65db626d3323bc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-03-30T21:57:26Z",
    "title_canon_sha256": "7ecc44204c662620451b025d54c9753d549bc554b89e13caa3eae6f7ff292e80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00298",
    "kind": "arxiv",
    "version": 1
  }
}