Pith Number

pith:RFC65JVX

pith:2017:RFC65JVXXAFCVYPYE64MA643ZC

not attested not anchored not stored refs pending

The Euler number of a $C^*$-invariant subvariety in $P^n$

Wenchuan Hu

arxiv:1710.07409 v1 · 2017-10-20 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFC65JVXXAFCVYPYE64MA643ZC}

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	2026-05-18T00:32:24.919888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8945eea6b7b80a2ae1f827b8c07b9bc8894ffa0c6d5fc7d92f102558acefec95

Aliases

arxiv: 1710.07409 · arxiv_version: 1710.07409v1 · doi: 10.48550/arxiv.1710.07409 · pith_short_12: RFC65JVXXAFC · pith_short_16: RFC65JVXXAFCVYPY · pith_short_8: RFC65JVX

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/RFC65JVXXAFCVYPYE64MA643ZC \
  | 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: 8945eea6b7b80a2ae1f827b8c07b9bc8894ffa0c6d5fc7d92f102558acefec95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748d587cd0423d849ebd0cb801cd019c8ea7f00319e823804e72af088e7c76a6",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-20T04:00:01Z",
    "title_canon_sha256": "56964d5e6f52ad27057083af9f56e409e4ac22120a665338962f76f2ea6b1567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07409",
    "kind": "arxiv",
    "version": 1
  }
}