Pith Number

pith:XGNQUMP5

pith:2026:XGNQUMP5AMLLGDLSOOKXOUXLTI

not attested not anchored not stored refs pending

Two block gluing constructions

Ilkka T\"orm\"a, Ville Salo

arxiv:2605.31237 v1 · 2026-05-29 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGNQUMP5AMLLGDLSOOKXOUXLTI}

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	2026-06-01T01:04:05.766753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b99b0a31fd0316b30d7273957752eb9a041b10823ebbf96c312691a990740cf0

Aliases

arxiv: 2605.31237 · arxiv_version: 2605.31237v1 · doi: 10.48550/arxiv.2605.31237 · pith_short_12: XGNQUMP5AMLL · pith_short_16: XGNQUMP5AMLLGDLS · pith_short_8: XGNQUMP5

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/XGNQUMP5AMLLGDLSOOKXOUXLTI \
  | 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: b99b0a31fd0316b30d7273957752eb9a041b10823ebbf96c312691a990740cf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16fa722b3f28cab56f8f6476d0d50dc5181b5bcef5f46b8a15204a313c0b7f7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2026-05-29T12:38:44Z",
    "title_canon_sha256": "019fdf00ca1d406079311b23b769fef3875309da1818ef1d899eed03ebb31eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.31237",
    "kind": "arxiv",
    "version": 1
  }
}