Pith Number

pith:VYS2M23T

pith:2019:VYS2M23TGUNHQGNT2DJWLIXGSX

not attested not anchored not stored refs pending

Associative Protomodular Algebras

Dali Zangurashvili

arxiv:1905.07919 v1 · 2019-05-20 · math.CT · 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{VYS2M23TGUNHQGNT2DJWLIXGSX}

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	2026-05-17T23:45:48.090067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae25a66b73351a7819b3d0d365a2e695d1ebc0a6e759ec2a74cdda251034ea3c

Aliases

arxiv: 1905.07919 · arxiv_version: 1905.07919v1 · doi: 10.48550/arxiv.1905.07919 · pith_short_12: VYS2M23TGUNH · pith_short_16: VYS2M23TGUNHQGNT · pith_short_8: VYS2M23T

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/VYS2M23TGUNHQGNT2DJWLIXGSX \
  | 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: ae25a66b73351a7819b3d0d365a2e695d1ebc0a6e759ec2a74cdda251034ea3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe1f5d0cafdefe181a9ec9f2e62f6fa9d8483e9d3c43f080c5b921a796d9ca6f",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2019-05-20T07:17:00Z",
    "title_canon_sha256": "e39900fa7bacc35d41c16341fc58e4f1e6e3dfee3414a01df5c7207a33626902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07919",
    "kind": "arxiv",
    "version": 1
  }
}