Pith Number

pith:U7N3FU37

pith:2014:U7N3FU37S2HMHNHEFK2DEDYSJH

not attested not anchored not stored refs pending

The ring of real-valued multivariate polynomials: an analyst's perspective

Raymond Mortini, Rudolf Rupp

arxiv:1402.4832 v1 · 2014-02-19 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7N3FU37S2HMHNHEFK2DEDYSJH}

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	2026-05-18T02:39:32.001509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7dbb2d37f968ec3b4e42ab4320f1249d6049254144fac869e05c13e1d87fa06

Aliases

arxiv: 1402.4832 · arxiv_version: 1402.4832v1 · doi: 10.48550/arxiv.1402.4832 · pith_short_12: U7N3FU37S2HM · pith_short_16: U7N3FU37S2HMHNHE · pith_short_8: U7N3FU37

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/U7N3FU37S2HMHNHEFK2DEDYSJH \
  | 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: a7dbb2d37f968ec3b4e42ab4320f1249d6049254144fac869e05c13e1d87fa06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd5086eafdf07a588549d9d47dea92e25de75b481e58b22895ea7711abea893",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-02-19T21:26:41Z",
    "title_canon_sha256": "6ee5c8b1c58d8ab2e54ab48e454d08c4af0a526cf4d32acc2d8e52cb6aef102a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4832",
    "kind": "arxiv",
    "version": 1
  }
}