Pith Number

pith:HJ7SMV4R

pith:2010:HJ7SMV4R3NCAJOZMQF4HQDMAC6

not attested not anchored not stored refs pending

The zero-divisor graphs of semirings

David Dol\v{z}an, Polona Oblak

arxiv:1012.2470 v2 · 2010-12-11 · 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{HJ7SMV4R3NCAJOZMQF4HQDMAC6}

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	2026-05-18T04:21:50.566192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a7f265791db4404bb2c8178780d8017af8cfd1133b0d58ed0df82e358f668da

Aliases

arxiv: 1012.2470 · arxiv_version: 1012.2470v2 · doi: 10.48550/arxiv.1012.2470 · pith_short_12: HJ7SMV4R3NCA · pith_short_16: HJ7SMV4R3NCAJOZM · pith_short_8: HJ7SMV4R

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/HJ7SMV4R3NCAJOZMQF4HQDMAC6 \
  | 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: 3a7f265791db4404bb2c8178780d8017af8cfd1133b0d58ed0df82e358f668da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba87f92eb7a850326fd696e5df5cccdbe761ab03639037b76dcbdcfbb6cc233",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-12-11T16:04:32Z",
    "title_canon_sha256": "c7c7c23db713e49fc5ea2f79fc02cf827defdcb419de6553bcb811cf9b8ad568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2470",
    "kind": "arxiv",
    "version": 2
  }
}