Pith Number

pith:NY7YX53M

pith:2015:NY7YX53M6OXDWWBMFDJNLD754B

not attested not anchored not stored refs pending

On the existence of a torsor structure for Galois covers over a complete discrete valuation ring

Mohamed saidi, Nicholas Williams

arxiv:1510.06874 v1 · 2015-10-23 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NY7YX53M6OXDWWBMFDJNLD754B}

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	2026-05-18T01:29:22.848383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3f8bf76cf3ae3b582c28d2d58ffde0642058dc48c4deba317a6aef2b05409e

Aliases

arxiv: 1510.06874 · arxiv_version: 1510.06874v1 · doi: 10.48550/arxiv.1510.06874 · pith_short_12: NY7YX53M6OXD · pith_short_16: NY7YX53M6OXDWWBM · pith_short_8: NY7YX53M

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/NY7YX53M6OXDWWBMFDJNLD754B \
  | 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: 6e3f8bf76cf3ae3b582c28d2d58ffde0642058dc48c4deba317a6aef2b05409e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a4327f83f1b0a0434519bdc71e38ecbb4a3dfb89e6a92c36954f3f5ccaa7624",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-10-23T09:53:02Z",
    "title_canon_sha256": "1e0f5a6f3de7aeaf36069ade256324f7af6e3d3eec0e75bdf2a20a841fb85658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06874",
    "kind": "arxiv",
    "version": 1
  }
}