Pith Number

pith:6Y3JLFXX

pith:2018:6Y3JLFXXQ4ANUVORPZVRHKYQ5X

not attested not anchored not stored refs pending

Improved bounds on Brun's constant

Dave Platt, Tim Trudgian

arxiv:1803.01925 v1 · 2018-03-05 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6Y3JLFXXQ4ANUVORPZVRHKYQ5X}

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	2026-05-18T00:21:56.303277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6369596f78700da55d17e6b13ab10edee98194bb2e4601eca5161f6e6ec700c

Aliases

arxiv: 1803.01925 · arxiv_version: 1803.01925v1 · doi: 10.48550/arxiv.1803.01925 · pith_short_12: 6Y3JLFXXQ4AN · pith_short_16: 6Y3JLFXXQ4ANUVOR · pith_short_8: 6Y3JLFXX

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/6Y3JLFXXQ4ANUVORPZVRHKYQ5X \
  | 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: f6369596f78700da55d17e6b13ab10edee98194bb2e4601eca5161f6e6ec700c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afdb1a3b877de13a8170b5565d9b349ef3905ecfa18bfde14ac1c8299ce7f275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-03-05T21:04:31Z",
    "title_canon_sha256": "01084de8cd4bef0e7dc73c4a9c1147624933fade8fda398c7806aac9d266036e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01925",
    "kind": "arxiv",
    "version": 1
  }
}