Pith Number

pith:R5WQE374

pith:2016:R5WQE374A7RQZQT6OU2CUP65XY

not attested not anchored not stored refs pending

On the category of stratifolds

Katsuhiko Kuribayashi, Toshiki Aoki

arxiv:1605.04142 v3 · 2016-05-13 · math.CT · math.AG · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5WQE374A7RQZQT6OU2CUP65XY}

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	2026-05-18T00:48:09.861745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6d026ffc07e30cc27e75342a3fddbe1a8e2f31105ec35f83026492b128fdca

Aliases

arxiv: 1605.04142 · arxiv_version: 1605.04142v3 · doi: 10.48550/arxiv.1605.04142 · pith_short_12: R5WQE374A7RQ · pith_short_16: R5WQE374A7RQZQT6 · pith_short_8: R5WQE374

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/R5WQE374A7RQZQT6OU2CUP65XY \
  | 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: 8f6d026ffc07e30cc27e75342a3fddbe1a8e2f31105ec35f83026492b128fdca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5a31698ec753f951ae49fb5c2edc60e220fd6441ebd448a9d2f557c2bbe3600",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2016-05-13T11:51:21Z",
    "title_canon_sha256": "35f38120e326b757959932a5e99e6b0c53856540941c92cd1f758520583db9d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04142",
    "kind": "arxiv",
    "version": 3
  }
}