Pith Number

pith:STHACDRC

pith:2002:STHACDRCG2YHNJSKKXYTPQQKGI

not attested not anchored not stored refs pending

Strong gamma-sets and other singular spaces

Boaz Tsaban

arxiv:math/0208057 v5 · 2002-08-07 · math.LO · math.CO · 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{STHACDRCG2YHNJSKKXYTPQQKGI}

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	2026-05-18T04:42:45.010613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94ce010e2236b076a64a55f137c20a321a7391f12c2764fb74857907c1d96e20

Aliases

arxiv: math/0208057 · arxiv_version: math/0208057v5 · doi: 10.48550/arxiv.math/0208057 · pith_short_12: STHACDRCG2YH · pith_short_16: STHACDRCG2YHNJSK · pith_short_8: STHACDRC

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/STHACDRCG2YHNJSKKXYTPQQKGI \
  | 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: 94ce010e2236b076a64a55f137c20a321a7391f12c2764fb74857907c1d96e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81422ee3bacab1bd5f87b9a1c40423fcc58cd3a9f1a5f22d263c20f1934d56fa",
    "cross_cats_sorted": [
      "math.CO",
      "math.GN"
    ],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "2002-08-07T19:14:17Z",
    "title_canon_sha256": "4873272581895c3a0f8d6445eacb37da2e8921b742f9a7678bd7f82c51d48ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0208057",
    "kind": "arxiv",
    "version": 5
  }
}