Pith Number

pith:E4MUVPYK

pith:2025:E4MUVPYKSMM2TNLD2IOO5ESCJ5

not attested not anchored not stored refs pending

Cutting and pasting pairs of manifolds with tangential structures

R.A. Vlierhuis

arxiv:2506.15204 v1 · 2025-06-18 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4MUVPYKSMM2TNLD2IOO5ESCJ5}

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	2026-07-05T11:23:39.134119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27194abf0a9319a9b563d21cee92424f5fea1e250ece3c8a4d7f7eb8e0b07748

Aliases

arxiv: 2506.15204 · arxiv_version: 2506.15204v1 · doi: 10.48550/arxiv.2506.15204 · pith_short_12: E4MUVPYKSMM2 · pith_short_16: E4MUVPYKSMM2TNLD · pith_short_8: E4MUVPYK

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/E4MUVPYKSMM2TNLD2IOO5ESCJ5 \
  | 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: 27194abf0a9319a9b563d21cee92424f5fea1e250ece3c8a4d7f7eb8e0b07748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd0bb0fd3a9873e9fe6eee71d89263b577994ef4776b6bd34e490f6099fd1f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2025-06-18T07:37:51Z",
    "title_canon_sha256": "a9a28c70a33f2cf19ef6c889a1f6da85eae643ed21812beff7d7d4ad36744a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15204",
    "kind": "arxiv",
    "version": 1
  }
}