Pith Number

pith:BJ7NCF5F

pith:2017:BJ7NCF5FE3P7N253IL53KHKTQM

not attested not anchored not stored refs pending

On monoids in the category of sets and relations

Anna Jen\v{c}ov\'a, Gejza Jen\v{c}a

arxiv:1703.03728 v1 · 2017-03-10 · 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{BJ7NCF5FE3P7N253IL53KHKTQM}

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	2026-05-18T00:29:46.322174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7ed117a526dff6ebbb42fbb51d53833613fd58f3521fd77ece87234c1d085c

Aliases

arxiv: 1703.03728 · arxiv_version: 1703.03728v1 · doi: 10.48550/arxiv.1703.03728 · pith_short_12: BJ7NCF5FE3P7 · pith_short_16: BJ7NCF5FE3P7N253 · pith_short_8: BJ7NCF5F

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/BJ7NCF5FE3P7N253IL53KHKTQM \
  | 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: 0a7ed117a526dff6ebbb42fbb51d53833613fd58f3521fd77ece87234c1d085c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aec284a87636b985268911a42e7427ce28c99f44a73a529d9fa2a2ddf069f11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-03-10T15:50:48Z",
    "title_canon_sha256": "2b22c4db5a6197d47a93de4a6e61543f496153206a06c054389717b05dd85145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03728",
    "kind": "arxiv",
    "version": 1
  }
}