Pith Number

pith:TQZSGDEI

pith:2004:TQZSGDEIXOKXJRL7UPDRUJUEYH

not attested not anchored not stored refs pending

Some new directions in infinite-combinatorial topology

Boaz Tsaban

arxiv:math/0409069 v6 · 2004-09-05 · math.GN · math.CO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQZSGDEIXOKXJRL7UPDRUJUEYH}

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	2026-05-18T04:37:23.159727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c33230c88bb9574c57fa3c71a2684c1d999f7e01eb316304b74b606540c3a7d

Aliases

arxiv: math/0409069 · arxiv_version: math/0409069v6 · doi: 10.48550/arxiv.math/0409069 · pith_short_12: TQZSGDEIXOKX · pith_short_16: TQZSGDEIXOKXJRL7 · pith_short_8: TQZSGDEI

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/TQZSGDEIXOKXJRL7UPDRUJUEYH \
  | 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: 9c33230c88bb9574c57fa3c71a2684c1d999f7e01eb316304b74b606540c3a7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab82cd05facd19eadf277a10cff8ef54ae83fffc15a4de51b41f0c48e40fdf86",
    "cross_cats_sorted": [
      "math.CO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2004-09-05T15:00:45Z",
    "title_canon_sha256": "1f21c1e4d6698877d56ac347701e3401ecc5a9ac635c8358e927825cdb17001a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0409069",
    "kind": "arxiv",
    "version": 6
  }
}