Pith Number

pith:NYKKPIVE

pith:2013:NYKKPIVECBXUWGYN6PTCYTFYYX

not attested not anchored not stored refs pending

Extending maps to profinite completions in finitely generated quasivarieties

Bruno Teheux, Georges Hansoul

arxiv:1310.2140 v2 · 2013-10-08 · math.RA · 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{NYKKPIVECBXUWGYN6PTCYTFYYX}

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	2026-05-17T23:43:57.098925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e14a7a2a4106f4b1b0df3e62c4cb8c5c024b93a02c3052b7dd8a896b741c5f8

Aliases

arxiv: 1310.2140 · arxiv_version: 1310.2140v2 · doi: 10.48550/arxiv.1310.2140 · pith_short_12: NYKKPIVECBXU · pith_short_16: NYKKPIVECBXUWGYN · pith_short_8: NYKKPIVE

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/NYKKPIVECBXUWGYN6PTCYTFYYX \
  | 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: 6e14a7a2a4106f4b1b0df3e62c4cb8c5c024b93a02c3052b7dd8a896b741c5f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25470780df28efdb7f9527ab1bf7edebfee9f9e96ebc7921898964767bb1ae04",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-10-08T14:04:13Z",
    "title_canon_sha256": "49552dbcea31361e0f6163623ba82391b31595db9f4c127aedd7abe7a304dbed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2140",
    "kind": "arxiv",
    "version": 2
  }
}