Pith Number

pith:TQ5XOQQP

pith:2025:TQ5XOQQPJWSPA6FZD776WR5EIW

not attested not anchored not stored refs pending

Q-Sets, \Delta-Sets, and L-Spaces

Paul Szeptycki, Pourya Memarpanahi

arxiv:2501.08298 v3 · 2025-01-14 · 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{TQ5XOQQPJWSPA6FZD776WR5EIW}

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.

Cited by

1 paper in Pith

New results about Q and $\Delta$-spaces

Receipt and verification

First computed	2026-07-05T11:06:26.568994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c3b77420f4da4f078b91fffeb47a4459979b1dc3c2543154d47836f9ea455a8

Aliases

arxiv: 2501.08298 · arxiv_version: 2501.08298v3 · doi: 10.48550/arxiv.2501.08298 · pith_short_12: TQ5XOQQPJWSP · pith_short_16: TQ5XOQQPJWSPA6FZ · pith_short_8: TQ5XOQQP

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/TQ5XOQQPJWSPA6FZD776WR5EIW \
  | 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: 9c3b77420f4da4f078b91fffeb47a4459979b1dc3c2543154d47836f9ea455a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0691d58f150672d65cb8456a2363a61f6ba7e0efc61489010a6d9016d923e12a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2025-01-14T18:29:01Z",
    "title_canon_sha256": "caf4184817ef56dc8230451750bdc641aad08e42c72cf271f55281e764e1f9f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08298",
    "kind": "arxiv",
    "version": 3
  }
}