Pith Number

pith:WY7QJXSN

pith:2015:WY7QJXSNPCO45ASJ3CKPE2RDVH

not attested not anchored not stored refs pending

Equivariant characteristic classes of external and symmetric products of varieties

Joerg Schuermann, Laurentiu Maxim

arxiv:1508.04356 v3 · 2015-08-18 · 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{WY7QJXSNPCO45ASJ3CKPE2RDVH}

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	2026-05-18T00:21:00.272948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63f04de4d789dce8249d894f26a23a9db5dd8054f29d7f0bc3e2630d01a6555

Aliases

arxiv: 1508.04356 · arxiv_version: 1508.04356v3 · doi: 10.48550/arxiv.1508.04356 · pith_short_12: WY7QJXSNPCO4 · pith_short_16: WY7QJXSNPCO45ASJ · pith_short_8: WY7QJXSN

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/WY7QJXSNPCO45ASJ3CKPE2RDVH \
  | 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: b63f04de4d789dce8249d894f26a23a9db5dd8054f29d7f0bc3e2630d01a6555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f9825bfebfd7e78f292fba2d6930dd000ad91b5d6ee858083143fc5bb805fb7",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-08-18T15:37:16Z",
    "title_canon_sha256": "e8f0a2a0c159c800aed4597027533f27ad344cc8e88b51bdef18cffd239b023c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04356",
    "kind": "arxiv",
    "version": 3
  }
}