Pith Number

pith:RLEQNVKK

pith:2011:RLEQNVKKJSO5DQGCSASME43DIW

not attested not anchored not stored refs pending

The Split Common Null Point Problem

Aviv Gibali, Charles Byrne, Simeon Reich, Yair Censor

arxiv:1108.5953 v2 · 2011-08-30 · math.OC · 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{RLEQNVKKJSO5DQGCSASME43DIW}

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	2026-05-18T03:57:53.323736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ac906d54a4c9dd1c0c29024c2736345ad15d138a4b6b16e075ad37bdacf0239

Aliases

arxiv: 1108.5953 · arxiv_version: 1108.5953v2 · doi: 10.48550/arxiv.1108.5953 · pith_short_12: RLEQNVKKJSO5 · pith_short_16: RLEQNVKKJSO5DQGC · pith_short_8: RLEQNVKK

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/RLEQNVKKJSO5DQGCSASME43DIW \
  | 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: 8ac906d54a4c9dd1c0c29024c2736345ad15d138a4b6b16e075ad37bdacf0239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade32a5a9bcb7cc1b3e4396229349fd76a93eed011366bcf54f4ce49ceb61bed",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-08-30T13:18:11Z",
    "title_canon_sha256": "ddee69e6c0d237d805d00850a4eeff7fadc5202aa6f6d3f7026cde8778c36824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5953",
    "kind": "arxiv",
    "version": 2
  }
}