Pith Number

pith:UJ3KDJGC

pith:2018:UJ3KDJGCV7MAJOPZCGMEAOULI5

not attested not anchored not stored refs pending

On polynomials that are not quite an identity on an associative algebra

David Riley, Eric Jespers, Mayada Shahada

arxiv:1812.08205 v1 · 2018-12-19 · 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{UJ3KDJGCV7MAJOPZCGMEAOULI5}

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	2026-05-17T23:57:51.952052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a276a1a4c2afd804b9f91198403a8b476038d587c6f6b63752b341707775f95b

Aliases

arxiv: 1812.08205 · arxiv_version: 1812.08205v1 · doi: 10.48550/arxiv.1812.08205 · pith_short_12: UJ3KDJGCV7MA · pith_short_16: UJ3KDJGCV7MAJOPZ · pith_short_8: UJ3KDJGC

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/UJ3KDJGCV7MAJOPZCGMEAOULI5 \
  | 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: a276a1a4c2afd804b9f91198403a8b476038d587c6f6b63752b341707775f95b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0a75e1cfb5c22ba21075c4ec32ec99f055ecd6a9648c69acdf0608a6d34bf09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-12-19T19:25:27Z",
    "title_canon_sha256": "e905c6b29723c254a8c74f79e0270f7baed74b1fc80e1d3c6f9753af2d52f3a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08205",
    "kind": "arxiv",
    "version": 1
  }
}