Pith Number

pith:ECXAGJDH

pith:1998:ECXAGJDHHSX7OZ3Y5WRNF6D4CE

not attested not anchored not stored refs pending

Asymptotic equisingularity and topology of complex hypersurfaces

Mihai Tibar

arxiv:math/9805075 v2 · 1998-05-18 · 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{ECXAGJDHHSX7OZ3Y5WRNF6D4CE}

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	2026-05-18T00:29:34.230716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ae0324673caff76778eda2d2f87c111f15c6a020df125f25b9abc3d40a0c9a

Aliases

arxiv: math/9805075 · arxiv_version: math/9805075v2 · doi: 10.48550/arxiv.math/9805075 · pith_short_12: ECXAGJDHHSX7 · pith_short_16: ECXAGJDHHSX7OZ3Y · pith_short_8: ECXAGJDH

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/ECXAGJDHHSX7OZ3Y5WRNF6D4CE \
  | 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: 20ae0324673caff76778eda2d2f87c111f15c6a020df125f25b9abc3d40a0c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c98e4ca46e465d78b3d474386d5a4da41c32f503c2a2da5c68be3fd417fc02e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "1998-05-18T09:09:40Z",
    "title_canon_sha256": "307233736e83c3579d1eccf359f77e2f1ca679dc52414782d3bdfce9b12f3924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9805075",
    "kind": "arxiv",
    "version": 2
  }
}