Pith Number

pith:XNMDZ7GZ

pith:2015:XNMDZ7GZEREPX5ACGMO27TQMDK

not attested not anchored not stored refs pending

Incidence Geometries and the Pass Complexity of Semi-Streaming Set Cover

Amit Chakrabarti, Anthony Wirth

arxiv:1507.04645 v1 · 2015-07-16 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNMDZ7GZEREPX5ACGMO27TQMDK}

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	2026-05-18T01:35:34.590205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb583cfcd92448fbf402331dafce0c1ab4c36cf70331d8ba2de2e98af7160d5c

Aliases

arxiv: 1507.04645 · arxiv_version: 1507.04645v1 · doi: 10.48550/arxiv.1507.04645 · pith_short_12: XNMDZ7GZEREP · pith_short_16: XNMDZ7GZEREPX5AC · pith_short_8: XNMDZ7GZ

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/XNMDZ7GZEREPX5ACGMO27TQMDK \
  | 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: bb583cfcd92448fbf402331dafce0c1ab4c36cf70331d8ba2de2e98af7160d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1daa0fc01b5a3daa27b0aa125f84e55312970af4681e4eed9f9db1812a055a2f",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-07-16T16:42:09Z",
    "title_canon_sha256": "8a8a7459e6496957b857c3f983a227025ede3d3b18c31b5963fad73c0ef5a744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04645",
    "kind": "arxiv",
    "version": 1
  }
}