Pith Number

pith:6B5DUQU3

pith:2019:6B5DUQU3IKIPNARUX3EU4PWSFX

not attested not anchored not stored refs pending

Numerical explorations of feasibility algorithms for finding points in the intersection of finite sets

Heinz H. Bauschke, Sylvain Gretchko, Walaa M. Moursi

arxiv:1901.08183 v1 · 2019-01-24 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6B5DUQU3IKIPNARUX3EU4PWSFX}

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	2026-05-17T23:55:37.708080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f07a3a429b4290f68234bec94e3ed22de0707145d70686266f35ab0acea89979

Aliases

arxiv: 1901.08183 · arxiv_version: 1901.08183v1 · doi: 10.48550/arxiv.1901.08183 · pith_short_12: 6B5DUQU3IKIP · pith_short_16: 6B5DUQU3IKIPNARU · pith_short_8: 6B5DUQU3

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/6B5DUQU3IKIPNARUX3EU4PWSFX \
  | 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: f07a3a429b4290f68234bec94e3ed22de0707145d70686266f35ab0acea89979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c17068d17b82fb5b3b75174ec8c93ed2307a61e9cb12c9d059a22eaff320b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-01-24T00:44:49Z",
    "title_canon_sha256": "d84bedeba6e2ab36d66cfe399853f0f0ce1f69f7ff70b899f556a9b1520ab51f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08183",
    "kind": "arxiv",
    "version": 1
  }
}