Pith Number

pith:EQU3E2SP

pith:2018:EQU3E2SPNNYXPX3H6R6F5T2UGP

not attested not anchored not stored refs pending

Pure Maps between Euclidean Jordan Algebras

Abraham Westerbaan, Bas Westerbaan, John van de Wetering

arxiv:1805.11496 v2 · 2018-05-29 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQU3E2SPNNYXPX3H6R6F5T2UGP}

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	2026-05-17T23:55:20.680603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2429b26a4f6b7177df67f47c5ecf5433f9ed0be1d35079cce47b7ebe8764fec3

Aliases

arxiv: 1805.11496 · arxiv_version: 1805.11496v2 · doi: 10.48550/arxiv.1805.11496 · pith_short_12: EQU3E2SPNNYX · pith_short_16: EQU3E2SPNNYXPX3H · pith_short_8: EQU3E2SP

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/EQU3E2SPNNYXPX3H6R6F5T2UGP \
  | 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: 2429b26a4f6b7177df67f47c5ecf5433f9ed0be1d35079cce47b7ebe8764fec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3fb87a0ec2bdf73206539a066aed9ba1d828e271db97eb78c7465bf1a7b2e8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-05-29T14:26:35Z",
    "title_canon_sha256": "56983b11716380c65eb37c51565b7c20c70f4cbab1f0f8b3638098a114592df7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11496",
    "kind": "arxiv",
    "version": 2
  }
}