Pith Number

pith:IUCCTNBH

pith:2015:IUCCTNBHHT6G3Y24QFBTBGO5LW

not attested not anchored not stored refs pending

An alternate description of the Szlenk index with applications

Ryan M. Causey

arxiv:1507.01993 v1 · 2015-07-07 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUCCTNBHHT6G3Y24QFBTBGO5LW}

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	2026-05-18T01:37:10.530576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450429b4273cfc6de35c81433099dd5da3e653c6bd0ce4a1fc3ffc42b6942d8f

Aliases

arxiv: 1507.01993 · arxiv_version: 1507.01993v1 · doi: 10.48550/arxiv.1507.01993 · pith_short_12: IUCCTNBHHT6G · pith_short_16: IUCCTNBHHT6G3Y24 · pith_short_8: IUCCTNBH

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/IUCCTNBHHT6G3Y24QFBTBGO5LW \
  | 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: 450429b4273cfc6de35c81433099dd5da3e653c6bd0ce4a1fc3ffc42b6942d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b754629d491a4abddc22a26b2bfd552fd40f8ac9b62d388988cef0c10cd974a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-07-07T23:59:30Z",
    "title_canon_sha256": "0de7d90c95c0c2db9899a8990b325c1df2fb5c8a4cfdc7b7b22d95494f37c10a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01993",
    "kind": "arxiv",
    "version": 1
  }
}