Pith Number

pith:XSO3TGDF

pith:2017:XSO3TGDFWXHNKXWWG4ELQW2EMQ

not attested not anchored not stored refs pending

Closure operators, frames, and neatest representations

Rob Egrot

arxiv:1702.02257 v3 · 2017-02-08 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSO3TGDFWXHNKXWWG4ELQW2EMQ}

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	2026-05-18T00:30:22.334622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc9db99865b5ced55ed63708b85b44640bc49407d2050e37913fc41bf2ee76ca

Aliases

arxiv: 1702.02257 · arxiv_version: 1702.02257v3 · doi: 10.48550/arxiv.1702.02257 · pith_short_12: XSO3TGDFWXHN · pith_short_16: XSO3TGDFWXHNKXWW · pith_short_8: XSO3TGDF

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/XSO3TGDFWXHNKXWWG4ELQW2EMQ \
  | 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: bc9db99865b5ced55ed63708b85b44640bc49407d2050e37913fc41bf2ee76ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc820f60dcab505a2a59217350579e35e25e5ef868116bc5f57c819adde482ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-02-08T02:51:57Z",
    "title_canon_sha256": "75195875108ff5e49d0d36b9fd4353fcb73ab1c1b040c4d6a902dc0df05f8ba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02257",
    "kind": "arxiv",
    "version": 3
  }
}