Pith Number

pith:2PRUSHEO

pith:2012:2PRUSHEOGGM7FSS72GOYOFOPUZ

not attested not anchored not stored refs pending

An Extension of a Theorem of Duffin and Schaeffer in Diophantine Approximation

Faustin Adiceam

arxiv:1209.6498 v1 · 2012-09-28 · 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{2PRUSHEOGGM7FSS72GOYOFOPUZ}

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	2026-05-18T03:44:25.297979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e3491c8e3199f2ca5fd19d8715cfa6525998842a88f67b914014f88dc76d99

Aliases

arxiv: 1209.6498 · arxiv_version: 1209.6498v1 · doi: 10.48550/arxiv.1209.6498 · pith_short_12: 2PRUSHEOGGM7 · pith_short_16: 2PRUSHEOGGM7FSS7 · pith_short_8: 2PRUSHEO

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/2PRUSHEOGGM7FSS72GOYOFOPUZ \
  | 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: d3e3491c8e3199f2ca5fd19d8715cfa6525998842a88f67b914014f88dc76d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a73de5a1241ae6c9faa86bbb82250fc5537e24ad4c769159489cc88a0e32869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-09-28T12:19:13Z",
    "title_canon_sha256": "4f9cbfa65f831407a2db235524cfdbe93cfbaedbfb78482df1397c4cc0dc5788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6498",
    "kind": "arxiv",
    "version": 1
  }
}