Pith Number

pith:DU76DVE6

pith:2018:DU76DVE6B3DFDHMC4HRB6EH3D7

not attested not anchored not stored refs pending

Covering numbers for bounded variation functions

Khai T. Nguyen, Prerona Dutta

arxiv:1805.09883 v1 · 2018-05-24 · 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{DU76DVE6B3DFDHMC4HRB6EH3D7}

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	2026-05-18T00:14:58.877570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3fe1d49e0ec6519d82e1e21f10fb1fd5c5681788fb3a6c72feb8e7a06c47c3

Aliases

arxiv: 1805.09883 · arxiv_version: 1805.09883v1 · doi: 10.48550/arxiv.1805.09883 · pith_short_12: DU76DVE6B3DF · pith_short_16: DU76DVE6B3DFDHMC · pith_short_8: DU76DVE6

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/DU76DVE6B3DFDHMC4HRB6EH3D7 \
  | 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: 1d3fe1d49e0ec6519d82e1e21f10fb1fd5c5681788fb3a6c72feb8e7a06c47c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4520333dde2077d6969a800ef6dd7ad1c0fafbff56c2c474b86cfe4599248c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-05-24T20:14:47Z",
    "title_canon_sha256": "6bb8be82ee6d5cb193f370940f0674636b1295f046e927761e9b3a0fb5d612b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09883",
    "kind": "arxiv",
    "version": 1
  }
}