Pith Number

pith:SQK7ZMOT

pith:2016:SQK7ZMOTBFAQ4R6ZBJXXEJFRRH

not attested not anchored not stored refs pending

Subspace Condition for Bernstein's Lethargy Theorem

Asuman G\"uven Aksoy, Caleb Case, Monairah Al-Ansari, Qidi Peng

arxiv:1606.07977 v2 · 2016-06-25 · 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{SQK7ZMOTBFAQ4R6ZBJXXEJFRRH}

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	2026-05-18T01:03:36.221363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9415fcb1d309410e47d90a6f7224b189fd26382b78d39b64470b2dfd117f9aab

Aliases

arxiv: 1606.07977 · arxiv_version: 1606.07977v2 · doi: 10.48550/arxiv.1606.07977 · pith_short_12: SQK7ZMOTBFAQ · pith_short_16: SQK7ZMOTBFAQ4R6Z · pith_short_8: SQK7ZMOT

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/SQK7ZMOTBFAQ4R6ZBJXXEJFRRH \
  | 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: 9415fcb1d309410e47d90a6f7224b189fd26382b78d39b64470b2dfd117f9aab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0fe4d2cad91e8d4c488f888cf2cd4bad8c462477a9e529eff9baa008bb16ad3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-06-25T23:48:20Z",
    "title_canon_sha256": "e84d42e1e2ac6e4bd011a37980633562feb0fd1bbab8eed8cd15a7f00a788aa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07977",
    "kind": "arxiv",
    "version": 2
  }
}