Pith Number

pith:MLI33ET4

pith:2017:MLI33ET4JS4IQLR75LTERHQW4O

not attested not anchored not stored refs pending

Generalized Picard-Vessiot extensions and differential Galois cohomology

Anand Pillay, Zoe Chatzidakis

arxiv:1702.01969 v2 · 2017-02-07 · 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{MLI33ET4JS4IQLR75LTERHQW4O}

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	2026-05-18T00:35:41.734294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62d1bd927c4cb8882e3feae6489e16e38f531d2d1a4d1820f0996f116ce1a26b

Aliases

arxiv: 1702.01969 · arxiv_version: 1702.01969v2 · doi: 10.48550/arxiv.1702.01969 · pith_short_12: MLI33ET4JS4I · pith_short_16: MLI33ET4JS4IQLR7 · pith_short_8: MLI33ET4

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/MLI33ET4JS4IQLR75LTERHQW4O \
  | 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: 62d1bd927c4cb8882e3feae6489e16e38f531d2d1a4d1820f0996f116ce1a26b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24fae00ee20b69badac5b31254e5b4e09df2eef12cc0882bc55b5324d362e2ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-02-07T11:45:44Z",
    "title_canon_sha256": "767de3a81eab7e785f961a8b555305cf7f2fbb471468dd4f215062995a3673e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01969",
    "kind": "arxiv",
    "version": 2
  }
}