Pith Number

pith:KRVH6KIQ

pith:2018:KRVH6KIQCCMHUMFSSBFDJDYMYC

not attested not anchored not stored refs pending

Regularization of Rational Group Actions

Hanspeter Kraft

arxiv:1808.08729 v1 · 2018-08-27 · 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{KRVH6KIQCCMHUMFSSBFDJDYMYC}

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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

Algebraic subgroups of the group of birational transformations of ruled surfaces

Receipt and verification

First computed	2026-05-18T00:07:13.447466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

546a7f291010987a30b2904a348f0cc0a058f4aa233b24cd6f6d33fd876214c5

Aliases

arxiv: 1808.08729 · arxiv_version: 1808.08729v1 · doi: 10.48550/arxiv.1808.08729 · pith_short_12: KRVH6KIQCCMH · pith_short_16: KRVH6KIQCCMHUMFS · pith_short_8: KRVH6KIQ

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/KRVH6KIQCCMHUMFSSBFDJDYMYC \
  | 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: 546a7f291010987a30b2904a348f0cc0a058f4aa233b24cd6f6d33fd876214c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014fbce71969ee61ce3302060ad73eef68f50e4858316d9440c5081ee57daa03",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-08-27T08:25:25Z",
    "title_canon_sha256": "5b1ff0deb9954e26f4e0034955eb53c36eae3b7c3eed93ec0259cd6e80363bcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08729",
    "kind": "arxiv",
    "version": 1
  }
}