Pith Number

pith:CLNLMZHX

pith:2018:CLNLMZHX6UF7YWWVPEKXHBM5N3

not attested not anchored not stored refs pending

Groupoids and Relative Internality

L\'eo Jimenez

arxiv:1808.08323 v2 · 2018-08-24 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLNLMZHX6UF7YWWVPEKXHBM5N3}

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	2026-05-17T23:42:13.990638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12dab664f7f50bfc5ad5791573859d6ef0888f1fe04f97aef7d02212b4b52958

Aliases

arxiv: 1808.08323 · arxiv_version: 1808.08323v2 · doi: 10.48550/arxiv.1808.08323 · pith_short_12: CLNLMZHX6UF7 · pith_short_16: CLNLMZHX6UF7YWWV · pith_short_8: CLNLMZHX

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/CLNLMZHX6UF7YWWVPEKXHBM5N3 \
  | 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: 12dab664f7f50bfc5ad5791573859d6ef0888f1fe04f97aef7d02212b4b52958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aa7e9732b9524278b1a8cc855c7f61a494a62bb3d1c1f85178792ea23b0b42d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-08-24T22:01:39Z",
    "title_canon_sha256": "9a81713dfc6d5692ed1946191c67c13b3e4f57911d37642f5552e523e00be88f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08323",
    "kind": "arxiv",
    "version": 2
  }
}