Pith Number

pith:QHP5BUYB

pith:2024:QHP5BUYB2BX2KOG5TFRCSEHQHH

not attested not anchored not stored refs pending

The $C_2$-equivariant ordinary cohomology of $BT^2$

Steven R. Costenoble, Thomas Hudson

arxiv:2411.06470 v1 · 2024-11-10 · 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{QHP5BUYB2BX2KOG5TFRCSEHQHH}

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.

Cited by

1 paper in Pith

Parametrized $\underline{\mathbb{F}}_2$-Cohomology of $B_{C_2}O(1)$

Receipt and verification

First computed	2026-07-05T09:33:46.852840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81dfd0d301d06fa538dd99622910f039f8cadad7dd3576c456c9d485fb85f3b7

Aliases

arxiv: 2411.06470 · arxiv_version: 2411.06470v1 · doi: 10.48550/arxiv.2411.06470 · pith_short_12: QHP5BUYB2BX2 · pith_short_16: QHP5BUYB2BX2KOG5 · pith_short_8: QHP5BUYB

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/QHP5BUYB2BX2KOG5TFRCSEHQHH \
  | 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: 81dfd0d301d06fa538dd99622910f039f8cadad7dd3576c456c9d485fb85f3b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "728d21695f7c561cfa56332e3ff38842b35b4d2cec7e7bcc5eedd3e506e940ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2024-11-10T14:08:17Z",
    "title_canon_sha256": "268b7eb1af1414adc7de0bc2b9a10be274b458fca1c2db600cb54ac2c24245f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.06470",
    "kind": "arxiv",
    "version": 1
  }
}