Pith Number

pith:QZ7BYF74

pith:2018:QZ7BYF74DGFNOBWN2K6RLS25R3

not attested not anchored not stored refs pending

Generalized Egorov's statement for ideals

Micha{\l} Korch

arxiv:1802.05303 v1 · 2018-02-14 · math.LO · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZ7BYF74DGFNOBWN2K6RLS25R3}

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	2026-05-18T00:23:16.038625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

867e1c17fc198ad706cdd2bd15cb5d8ec226a3db15aac7e5610edc19711f7a69

Aliases

arxiv: 1802.05303 · arxiv_version: 1802.05303v1 · doi: 10.48550/arxiv.1802.05303 · pith_short_12: QZ7BYF74DGFN · pith_short_16: QZ7BYF74DGFNOBWN · pith_short_8: QZ7BYF74

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/QZ7BYF74DGFNOBWN2K6RLS25R3 \
  | 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: 867e1c17fc198ad706cdd2bd15cb5d8ec226a3db15aac7e5610edc19711f7a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c753cdb16551cd9c78355f99cbba864c50fbe1086b6b2db4f8dc09bf1fe5a7c",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-02-14T20:04:36Z",
    "title_canon_sha256": "ed143789f62acb27463fd8d9f7a088f4a84ad282d21f0521f69c2ae36df64856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05303",
    "kind": "arxiv",
    "version": 1
  }
}