Pith Number

pith:T6OYELRT

pith:2020:T6OYELRTBS4DBFE5SF47LR3UTZ

not attested not anchored not stored refs pending

Tight Approximation Guarantees for Concave Coverage Problems

Omar Fawzi, Paul Ferm\'e, Siddharth Barman

arxiv:2010.00970 v3 · 2020-10-02 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6OYELRTBS4DBFE5SF47LR3UTZ}

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	2026-07-05T02:36:45.590337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9d822e330cb830949d9179f5c7749e55472e61500efa1295e9997479a4769e

Aliases

arxiv: 2010.00970 · arxiv_version: 2010.00970v3 · doi: 10.48550/arxiv.2010.00970 · pith_short_12: T6OYELRTBS4D · pith_short_16: T6OYELRTBS4DBFE5 · pith_short_8: T6OYELRT

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/T6OYELRTBS4DBFE5SF47LR3UTZ \
  | 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: 9f9d822e330cb830949d9179f5c7749e55472e61500efa1295e9997479a4769e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3884b558a868fcca9678cddcd990282671c4581a19034e222c6b7e4bb22385f1",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-10-02T13:03:04Z",
    "title_canon_sha256": "536c0ff1c9c369a76d0d32f703bb9f0b84937d3dbc9892f2ac501d9a130d8627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.00970",
    "kind": "arxiv",
    "version": 3
  }
}