Pith Number

pith:OVE6UWDI

pith:2015:OVE6UWDILE6X2GHMFYBTLRRS72

not attested not anchored not stored refs pending

$G_\delta$ semifilters and $\omega^*$

Jonathan Verner, Will Brian

arxiv:1503.06092 v2 · 2015-03-20 · math.LO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVE6UWDILE6X2GHMFYBTLRRS72}

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	2026-05-18T00:26:18.631520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7549ea5868593d7d18ec2e0335c632fe8433e63c97514a61303d8ca2c319b208

Aliases

arxiv: 1503.06092 · arxiv_version: 1503.06092v2 · doi: 10.48550/arxiv.1503.06092 · pith_short_12: OVE6UWDILE6X · pith_short_16: OVE6UWDILE6X2GHM · pith_short_8: OVE6UWDI

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/OVE6UWDILE6X2GHMFYBTLRRS72 \
  | 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: 7549ea5868593d7d18ec2e0335c632fe8433e63c97514a61303d8ca2c319b208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9af0aa2213ea4d81aecd66820f4da3893ddee6918d763364076a52a80f0a4ab7",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-03-20T14:43:58Z",
    "title_canon_sha256": "c4fc860fb9ff546f3007396635084ad6ca608fd6596758f490be36c2347b165e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06092",
    "kind": "arxiv",
    "version": 2
  }
}