Pith Number

pith:RFXP4UUS

pith:2015:RFXP4UUSXLM6T25BLLB76CLV2P

not attested not anchored not stored refs pending

On the Integral Cohomology Ring of Toric Orbifolds and Singular Toric Varieties

Anthony Bahri, Jongbaek Song, Soumen Sarkar

arxiv:1509.03228 v3 · 2015-09-10 · 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{RFXP4UUSXLM6T25BLLB76CLV2P}

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	2026-05-18T00:21:00.230849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

896efe5292bad9e9eba15ac3ff0975d3e2fdc5f81713d2f5c88be7bd29f2d734

Aliases

arxiv: 1509.03228 · arxiv_version: 1509.03228v3 · doi: 10.48550/arxiv.1509.03228 · pith_short_12: RFXP4UUSXLM6 · pith_short_16: RFXP4UUSXLM6T25B · pith_short_8: RFXP4UUS

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/RFXP4UUSXLM6T25BLLB76CLV2P \
  | 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: 896efe5292bad9e9eba15ac3ff0975d3e2fdc5f81713d2f5c88be7bd29f2d734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c94457fc0fa9211f73c72fcfaca13864864eb7b0ee1685d1eb926ac1c0aef65d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-09-10T16:56:50Z",
    "title_canon_sha256": "6f37be1fb0b324e94ab681681b91f180b6908efe5d44a73a23833d1ccfad3f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03228",
    "kind": "arxiv",
    "version": 3
  }
}