Pith Number

pith:LDANYEYO

pith:2018:LDANYEYO4LBBLLAI5MPYWBAVCP

not attested not anchored not stored refs pending

Angles and Schauder basis in Hilbert spaces

Bingzhe Hou, Geng Tian, Xinzhi Zhang, Yang Cao

arxiv:1806.07866 v2 · 2018-06-20 · 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{LDANYEYO4LBBLLAI5MPYWBAVCP}

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	2026-05-18T00:09:41.354525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c0dc130ee2c215ac08eb1f8b041513c7cb9573116711931588b4a0860cb442

Aliases

arxiv: 1806.07866 · arxiv_version: 1806.07866v2 · doi: 10.48550/arxiv.1806.07866 · pith_short_12: LDANYEYO4LBB · pith_short_16: LDANYEYO4LBBLLAI · pith_short_8: LDANYEYO

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/LDANYEYO4LBBLLAI5MPYWBAVCP \
  | 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: 58c0dc130ee2c215ac08eb1f8b041513c7cb9573116711931588b4a0860cb442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1eb6b0e28a4e8b2c8903e1899022de01f0f0649f8f56b76fdddd52ca33ba6cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-06-20T17:50:10Z",
    "title_canon_sha256": "ae8b16ecf6a0725aa28ac9d8ac93629270e547ce66b257f06c6479f15489825a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07866",
    "kind": "arxiv",
    "version": 2
  }
}