Pith Number

pith:ROSBLXUQ

pith:2007:ROSBLXUQFLJTQHVFMKCKSCJ5BJ

not attested not anchored not stored refs pending

Gradings on the Albert Algebra and on $f_4$

C\'andido Mart\'in, Cristina Draper

arxiv:math/0703840 v1 · 2007-03-28 · 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{ROSBLXUQFLJTQHVFMKCKSCJ5BJ}

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	2026-05-18T02:57:24.518616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ba415de902ad3381ea56284a9093d0a7c1da8b4884346f3f718f23609756ab8

Aliases

arxiv: math/0703840 · arxiv_version: math/0703840v1 · doi: 10.48550/arxiv.math/0703840 · pith_short_12: ROSBLXUQFLJT · pith_short_16: ROSBLXUQFLJTQHVF · pith_short_8: ROSBLXUQ

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/ROSBLXUQFLJTQHVFMKCKSCJ5BJ \
  | 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: 8ba415de902ad3381ea56284a9093d0a7c1da8b4884346f3f718f23609756ab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba7ad193d209ce14dd8bc5eb9f2182998efefa27c7fde95fd23bdcabe97bfdf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.RA",
    "submitted_at": "2007-03-28T11:31:57Z",
    "title_canon_sha256": "5c3413eb07d6725c3a4ea37ae58f1cfd02fa4f894bf16cae37123900bf9ef597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0703840",
    "kind": "arxiv",
    "version": 1
  }
}