Pith Number

pith:S7NC6VDW

pith:2014:S7NC6VDWP3Q4X2WDXR2CDYLFMT

not attested not anchored not stored refs pending

Degeneration of tame automorphisms of a polynomial ring

Shigeru Kuroda

arxiv:1411.2085 v1 · 2014-11-08 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7NC6VDWP3Q4X2WDXR2CDYLFMT}

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	2026-05-18T02:38:08.684773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97da2f54767ee1cbeac3bc7421e16564d8cdd39d28c3b0f29254ab6f2ac69e4f

Aliases

arxiv: 1411.2085 · arxiv_version: 1411.2085v1 · doi: 10.48550/arxiv.1411.2085 · pith_short_12: S7NC6VDWP3Q4 · pith_short_16: S7NC6VDWP3Q4X2WD · pith_short_8: S7NC6VDW

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/S7NC6VDWP3Q4X2WDXR2CDYLFMT \
  | 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: 97da2f54767ee1cbeac3bc7421e16564d8cdd39d28c3b0f29254ab6f2ac69e4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77701e5cd0c84f2c4e3a7827b1c45c7ec65ea9ce4e9e543c03c4d14c598a1b67",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-08T05:39:32Z",
    "title_canon_sha256": "e3e3a114e6a9fa12c3c12c9b31cec445109a39c93f8b17b6724a6c6fb2dcbe39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2085",
    "kind": "arxiv",
    "version": 1
  }
}