Pith Number

pith:5ZQBN34T

pith:2023:5ZQBN34TWFIV2SA46JNO2H2PHC

not attested not anchored not stored refs pending

Computing Galois cohomology of a real linear algebraic group

Mikhail Borovoi, Willem A. de Graaf

arxiv:2308.04962 v3 · 2023-08-09 · math.RT · math.AG · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZQBN34TWFIV2SA46JNO2H2PHC}

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	2026-07-05T10:29:13.333596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee6016ef93b1515d481cf25aed1f4f388496f5d4adc04b3b661bd33332632d56

Aliases

arxiv: 2308.04962 · arxiv_version: 2308.04962v3 · doi: 10.48550/arxiv.2308.04962 · pith_short_12: 5ZQBN34TWFIV · pith_short_16: 5ZQBN34TWFIV2SA4 · pith_short_8: 5ZQBN34T

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/5ZQBN34TWFIV2SA46JNO2H2PHC \
  | 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: ee6016ef93b1515d481cf25aed1f4f388496f5d4adc04b3b661bd33332632d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ed22f628571886a7b67eaf3872c805952a436a3c44ef48a6ae88108dad9c8f9",
    "cross_cats_sorted": [
      "math.AG",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2023-08-09T13:52:43Z",
    "title_canon_sha256": "546942e8757ecc882cf1f22ea276eab29f7b13a9a9bdaeb306a03739d2034907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.04962",
    "kind": "arxiv",
    "version": 3
  }
}