Pith Number

pith:6ZDK7B6V

pith:2018:6ZDK7B6VIGF7UFNYR3VWL3HAJ4

not attested not anchored not stored refs pending

The components of the singular locus of a component of a Springer fiber over x^2 = 0

Anna Melnikov, Ronit Mansour

arxiv:1807.02766 v1 · 2018-07-08 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZDK7B6VIGF7UFNYR3VWL3HAJ4}

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	2026-05-18T00:11:13.780283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f646af87d5418bfa15b88eeb65ece04f383153d332a6ce7006959a6c45a828c2

Aliases

arxiv: 1807.02766 · arxiv_version: 1807.02766v1 · doi: 10.48550/arxiv.1807.02766 · pith_short_12: 6ZDK7B6VIGF7 · pith_short_16: 6ZDK7B6VIGF7UFNY · pith_short_8: 6ZDK7B6V

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/6ZDK7B6VIGF7UFNYR3VWL3HAJ4 \
  | 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: f646af87d5418bfa15b88eeb65ece04f383153d332a6ce7006959a6c45a828c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17fe30adbb64dea5f23d2dc620a0c4fc661c61970b1d162cc5031758c2384f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-07-08T06:47:09Z",
    "title_canon_sha256": "50b618069bb4850b3bdac1fbb387ca9ff9a68804b2161b41a77e9a83efcf2567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02766",
    "kind": "arxiv",
    "version": 1
  }
}