Pith Number

pith:SZKFEPLU

pith:2006:SZKFEPLUZPWQITANEBYV5FNUDF

not attested not anchored not stored refs pending

Lords of the iteration

Andrzej Roslanowski, Saharon Shelah

arxiv:math/0611131 v2 · 2006-11-06 · 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{SZKFEPLUZPWQITANEBYV5FNUDF}

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	2026-05-18T03:37:19.354776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9654523d74cbed044c0d20715e95b4196b1b828f5e17c9af7e8020fa4bc6bf06

Aliases

arxiv: math/0611131 · arxiv_version: math/0611131v2 · doi: 10.48550/arxiv.math/0611131 · pith_short_12: SZKFEPLUZPWQ · pith_short_16: SZKFEPLUZPWQITAN · pith_short_8: SZKFEPLU

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/SZKFEPLUZPWQITANEBYV5FNUDF \
  | 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: 9654523d74cbed044c0d20715e95b4196b1b828f5e17c9af7e8020fa4bc6bf06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7218bbe286515676c84d03aa35e16b452e64f158b866182bc6f0ee8ea3b3b7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2006-11-06T08:49:31Z",
    "title_canon_sha256": "5a5696fdfc3ecfc03c7d2626ba25dc4ffab890b09ba7751ded9e24bbbb628d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0611131",
    "kind": "arxiv",
    "version": 2
  }
}