Pith Number

pith:VYX7BKZB

pith:2017:VYX7BKZBTVPL5ED4S3WGBN5UIU

not attested not anchored not stored refs pending

Chern-Schwartz-MacPherson classes of degeneracy loci

L. M. Feher, R. Rimanyi

arxiv:1706.05753 v2 · 2017-06-19 · 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{VYX7BKZBTVPL5ED4S3WGBN5UIU}

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	2026-05-18T00:04:17.860762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2ff0ab219d5ebe907c96ec60b7b4452a58ed0490c5947bc534fb7d0ad89a0d

Aliases

arxiv: 1706.05753 · arxiv_version: 1706.05753v2 · doi: 10.48550/arxiv.1706.05753 · pith_short_12: VYX7BKZBTVPL · pith_short_16: VYX7BKZBTVPL5ED4 · pith_short_8: VYX7BKZB

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/VYX7BKZBTVPL5ED4S3WGBN5UIU \
  | 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: ae2ff0ab219d5ebe907c96ec60b7b4452a58ed0490c5947bc534fb7d0ad89a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f03a5ec9647aa3eac0954e32fe62333984d37d171d92537c1e98db7e824819",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-06-19T00:43:23Z",
    "title_canon_sha256": "98c0269f16ab82f319eadcd5d3301a4640f6cabc163b8cba0bf6ddd0d2945d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05753",
    "kind": "arxiv",
    "version": 2
  }
}