Pith Number

pith:R7K6YM6G

pith:2019:R7K6YM6GAGMU3TEN5XTY34HJUK

not attested not anchored not stored refs pending

An extension of properties of symmetric group to monoids and a pretorsion theory in the category of mappings

Alberto Facchini, Leila Heidari Zadeh

arxiv:1902.05507 v1 · 2019-02-14 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7K6YM6GAGMU3TEN5XTY34HJUK}

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	2026-05-17T23:53:58.510842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd5ec33c601994dcc8dede78df0e9a29c0c86cd994987a56eb3060a400a31a0

Aliases

arxiv: 1902.05507 · arxiv_version: 1902.05507v1 · doi: 10.48550/arxiv.1902.05507 · pith_short_12: R7K6YM6GAGMU · pith_short_16: R7K6YM6GAGMU3TEN · pith_short_8: R7K6YM6G

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/R7K6YM6GAGMU3TEN5XTY34HJUK \
  | 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: 8fd5ec33c601994dcc8dede78df0e9a29c0c86cd994987a56eb3060a400a31a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449fff2ac95db14c46120c9b205dc228610cd4fafa9e026fdfc05cbce4d33b1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-02-14T17:28:06Z",
    "title_canon_sha256": "1f37452e26df37772242705d1bc2260007cf3986f3db2ad1691f40050562aafd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05507",
    "kind": "arxiv",
    "version": 1
  }
}