Pith Number

pith:NLEWQ45P

pith:2018:NLEWQ45PHSC6GMXS47SH2R67D2

not attested not anchored not stored refs pending

On a variety of commutative multiplicatively idempotent semirings

Helmut L\"anger, Ivan Chajda

arxiv:1809.10079 v1 · 2018-09-26 · 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{NLEWQ45PHSC6GMXS47SH2R67D2}

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	2026-05-18T00:04:42.640305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac96873af3c85e332f2e7e47d47df1eb3a6404c3f36f3203e27d19d32d8755e

Aliases

arxiv: 1809.10079 · arxiv_version: 1809.10079v1 · doi: 10.48550/arxiv.1809.10079 · pith_short_12: NLEWQ45PHSC6 · pith_short_16: NLEWQ45PHSC6GMXS · pith_short_8: NLEWQ45P

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/NLEWQ45PHSC6GMXS47SH2R67D2 \
  | 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: 6ac96873af3c85e332f2e7e47d47df1eb3a6404c3f36f3203e27d19d32d8755e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db951fefc1aaa9d856943e51d4e5ed0e03beb838b41ae3d20aceebf10de72940",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-09-26T15:52:05Z",
    "title_canon_sha256": "55ffde4443256fbee65f2c186c94cbce9c68be7704fa465161945091e6291c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10079",
    "kind": "arxiv",
    "version": 1
  }
}