Pith Number

pith:SENIGNAM

pith:2017:SENIGNAMOW3CNCL2AL62DRVNIO

not attested not anchored not stored refs pending

Degeneracies in quasi-categories

Wolfgang Steimle

arxiv:1702.08696 v3 · 2017-02-28 · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SENIGNAMOW3CNCL2AL62DRVNIO}

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	2026-05-18T00:22:40.043751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

911a83340c75b626897a02fda1c6ad43b51bcd072d2105a2d7f3b6e9e2f56272

Aliases

arxiv: 1702.08696 · arxiv_version: 1702.08696v3 · doi: 10.48550/arxiv.1702.08696 · pith_short_12: SENIGNAMOW3C · pith_short_16: SENIGNAMOW3CNCL2 · pith_short_8: SENIGNAM

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/SENIGNAMOW3CNCL2AL62DRVNIO \
  | 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: 911a83340c75b626897a02fda1c6ad43b51bcd072d2105a2d7f3b6e9e2f56272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2dff1026e4ab7babeafc24e5a33be29db8f7446c8b6f8711b8dc8994e47d164",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-02-28T08:50:27Z",
    "title_canon_sha256": "9d20bc307e7377fa095898d0d205ef36792a18a408833dd9ed8e4b39bbeb33cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08696",
    "kind": "arxiv",
    "version": 3
  }
}