Pith Number

pith:W2QUWRHF

pith:2014:W2QUWRHFEKGXT6MOFE56PVRBU7

not attested not anchored not stored refs pending

Scaffolds and integral Hopf Galois module structure on purely inseparable extensions

Alan Koch

arxiv:1405.7608 v3 · 2014-05-29 · 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{W2QUWRHFEKGXT6MOFE56PVRBU7}

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	2026-05-18T02:31:02.222658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a14b44e5228d79f98e293be7d621a7d8704b728a527c403a2c89bc8f0bb447

Aliases

arxiv: 1405.7608 · arxiv_version: 1405.7608v3 · doi: 10.48550/arxiv.1405.7608 · pith_short_12: W2QUWRHFEKGX · pith_short_16: W2QUWRHFEKGXT6MO · pith_short_8: W2QUWRHF

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/W2QUWRHFEKGXT6MOFE56PVRBU7 \
  | 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: b6a14b44e5228d79f98e293be7d621a7d8704b728a527c403a2c89bc8f0bb447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "729825f6d3b9447c237308a23d0232c8a98b89d09edca782ac3746862d8f3eb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-05-29T16:26:04Z",
    "title_canon_sha256": "d4ea305569218c8e9f9ec7d04c06c266d019e6e16487b4761b4769ae2b06d86a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7608",
    "kind": "arxiv",
    "version": 3
  }
}