Pith Number

pith:23WYZMY7

pith:2017:23WYZMY7JV4F7VQV74PN7NDJUM

not attested not anchored not stored refs pending

Categorical measures for finite group actions

Daniel Bergh, Michael Larsen, Sergey Gorchinskiy, Valery Lunts

arxiv:1709.00620 v1 · 2017-09-02 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23WYZMY7JV4F7VQV74PN7NDJUM}

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	2026-05-18T00:36:07.446002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ed8cb31f4d785fd615ff1edfb469a33a36e35d08a51073b6f994cf2baaf9ce

Aliases

arxiv: 1709.00620 · arxiv_version: 1709.00620v1 · doi: 10.48550/arxiv.1709.00620 · pith_short_12: 23WYZMY7JV4F · pith_short_16: 23WYZMY7JV4F7VQV · pith_short_8: 23WYZMY7

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/23WYZMY7JV4F7VQV74PN7NDJUM \
  | 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: d6ed8cb31f4d785fd615ff1edfb469a33a36e35d08a51073b6f994cf2baaf9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad5c0312c444793de657d2bc7b20be5ee3b076687b4fe4f7a27c66ad75455f65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-02T19:21:17Z",
    "title_canon_sha256": "d29de174c8328b291dbfee393b561dd1d8ae4fea679809a5867fc2102f22f165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00620",
    "kind": "arxiv",
    "version": 1
  }
}