Pith Number

pith:IMCGDGY5

pith:2017:IMCGDGY5RNN6NHLI4OKCH66PXE

not attested not anchored not stored refs pending

Omitting Types and the Baire Category Theorem

Christopher J. Eagle, Franklin D. Tall

arxiv:1710.05889 v1 · 2017-10-16 · 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{IMCGDGY5RNN6NHLI4OKCH66PXE}

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	2026-05-18T00:32:47.890630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4304619b1d8b5be69d68e39423fbcfb932736d745a55529a9abca97b84169ea3

Aliases

arxiv: 1710.05889 · arxiv_version: 1710.05889v1 · doi: 10.48550/arxiv.1710.05889 · pith_short_12: IMCGDGY5RNN6 · pith_short_16: IMCGDGY5RNN6NHLI · pith_short_8: IMCGDGY5

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/IMCGDGY5RNN6NHLI4OKCH66PXE \
  | 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: 4304619b1d8b5be69d68e39423fbcfb932736d745a55529a9abca97b84169ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57a4fe697d2f1dc6f4e460a747b10085765fe459a5be6ca4d983ea9ef57ee776",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-10-16T17:42:34Z",
    "title_canon_sha256": "b6ea83bb7ca7ee3eced4b0f544420cdcf8474c65c0be2bdf347560ded5b3081e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05889",
    "kind": "arxiv",
    "version": 1
  }
}