Pith Number

pith:C6VMJIN5

pith:2010:C6VMJIN5N2PHGOBJLVIP7IXWHP

not attested not anchored not stored refs pending

Equivariant characteristic classes of singular complex algebraic varieties

Joerg Schuermann, Julius L. Shaneson, Laurentiu Maxim, Sylvain E. Cappell

arxiv:1004.1844 v2 · 2010-04-11 · 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{C6VMJIN5N2PHGOBJLVIP7IXWHP}

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	2026-05-18T01:14:18.704935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17aac4a1bd6e9e7338295d50ffa2f63be1c049a5f547c381b4db583676fc0ef6

Aliases

arxiv: 1004.1844 · arxiv_version: 1004.1844v2 · doi: 10.48550/arxiv.1004.1844 · pith_short_12: C6VMJIN5N2PH · pith_short_16: C6VMJIN5N2PHGOBJ · pith_short_8: C6VMJIN5

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/C6VMJIN5N2PHGOBJLVIP7IXWHP \
  | 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: 17aac4a1bd6e9e7338295d50ffa2f63be1c049a5f547c381b4db583676fc0ef6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3577c9da631b8730d66f4645e1602844b0a17e2137da852ed2fc54fa13090dd",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-04-11T21:07:17Z",
    "title_canon_sha256": "a5e85ff892f3e5451b5e8eaf81fa00e478fd312f19877fde83c03cfdf8d0fe4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1844",
    "kind": "arxiv",
    "version": 2
  }
}