Pith Number

pith:2OPUH3TQ

pith:2024:2OPUH3TQ3GRCTJ6MTDPQ7UKRRR

not attested not anchored not stored refs pending

A computational approach to almost-inner derivations

Heiko Dietrich, Willem A. de Graaf

arxiv:2403.05905 v1 · 2024-03-09 · 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{2OPUH3TQ3GRCTJ6MTDPQ7UKRRR}

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	2026-07-05T07:54:15.431278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d39f43ee70d9a229a7cc98df0fd1518c53672f2467e837c1657c0aa5afded59f

Aliases

arxiv: 2403.05905 · arxiv_version: 2403.05905v1 · doi: 10.48550/arxiv.2403.05905 · pith_short_12: 2OPUH3TQ3GRC · pith_short_16: 2OPUH3TQ3GRCTJ6M · pith_short_8: 2OPUH3TQ

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/2OPUH3TQ3GRCTJ6MTDPQ7UKRRR \
  | 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: d39f43ee70d9a229a7cc98df0fd1518c53672f2467e837c1657c0aa5afded59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41efa4ada8e61d21684eaad5fa4cabd77904fa524a7b481f78921caff2bf877d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2024-03-09T12:59:29Z",
    "title_canon_sha256": "2346c4219d28d2e48739e518fbf4cbf7acf0cd1f3f30d5d9b18e35876d0345f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.05905",
    "kind": "arxiv",
    "version": 1
  }
}