Pith Number

pith:CH72RMKU

pith:2014:CH72RMKU7ZUSJN27OCCLFKASPZ

not attested not anchored not stored refs pending

Indices of inseparability in towers of field extensions

Kevin Keating

arxiv:1402.5193 v2 · 2014-02-21 · 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{CH72RMKU7ZUSJN27OCCLFKASPZ}

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	2026-05-18T02:29:53.146184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11ffa8b154fe6924b75f7084b2a8127e75c2b51b8a31c1b0cccc9855207278d6

Aliases

arxiv: 1402.5193 · arxiv_version: 1402.5193v2 · doi: 10.48550/arxiv.1402.5193 · pith_short_12: CH72RMKU7ZUS · pith_short_16: CH72RMKU7ZUSJN27 · pith_short_8: CH72RMKU

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/CH72RMKU7ZUSJN27OCCLFKASPZ \
  | 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: 11ffa8b154fe6924b75f7084b2a8127e75c2b51b8a31c1b0cccc9855207278d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f462c68eca9ccd3266de630f086c8a5f3b1746527312ec97fd9bbec638cc328",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-02-21T03:00:32Z",
    "title_canon_sha256": "d66795e79d910573f74781d20d439dbe5661a6911a5e5c2ab6b808f6f6501d63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5193",
    "kind": "arxiv",
    "version": 2
  }
}