Pith Number

pith:HB5C534P

pith:2021:HB5C534POQQNJ5TMQIJLB2Q4Z7

not attested not anchored not stored refs pending

The Allison-Faulkner construction of $E_8$

Simon W. Rigby, Victor Petrov

arxiv:2102.04261 v1 · 2021-02-08 · 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{HB5C534POQQNJ5TMQIJLB2Q4Z7}

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	2026-07-05T02:13:31.730058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387a2eef8f7420d4f66c8212b0ea1ccfdf31994d1e4a4aa07fe8f93908813cc4

Aliases

arxiv: 2102.04261 · arxiv_version: 2102.04261v1 · doi: 10.48550/arxiv.2102.04261 · pith_short_12: HB5C534POQQN · pith_short_16: HB5C534POQQNJ5TM · pith_short_8: HB5C534P

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/HB5C534POQQNJ5TMQIJLB2Q4Z7 \
  | 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: 387a2eef8f7420d4f66c8212b0ea1ccfdf31994d1e4a4aa07fe8f93908813cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c03ff61e218cef79e0704018c68d2e7c391794e5d6ed3283f44b98250e5deaf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2021-02-08T14:53:14Z",
    "title_canon_sha256": "fa4bc3c805900953eaff2bcf59af73f52220279ca997cac2f09d2c10546a2bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04261",
    "kind": "arxiv",
    "version": 1
  }
}