Pith Number

pith:O3RITRNA

pith:2018:O3RITRNAPPIYNKB5LJG5ZOFPXW

not attested not anchored not stored refs pending

Robust Multicovers with Budgeted Uncertainty

Eva Schmidt, Manuel Streicher, Sven O. Krumke

arxiv:1812.04622 v2 · 2018-12-11 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3RITRNAPPIYNKB5LJG5ZOFPXW}

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	2026-05-17T23:58:24.550415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76e289c5a07bd186a83d5a4ddcb8afbd8c11597061a8a7b0360dec3bb5b948ca

Aliases

arxiv: 1812.04622 · arxiv_version: 1812.04622v2 · doi: 10.48550/arxiv.1812.04622 · pith_short_12: O3RITRNAPPIY · pith_short_16: O3RITRNAPPIYNKB5 · pith_short_8: O3RITRNA

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/O3RITRNAPPIYNKB5LJG5ZOFPXW \
  | 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: 76e289c5a07bd186a83d5a4ddcb8afbd8c11597061a8a7b0360dec3bb5b948ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d869f7bfea7501a00c519e7759c208da90cc3bef17753e9f20151e4ff9d6504e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-11T14:06:09Z",
    "title_canon_sha256": "1a5b65afa728d4c914035434e2afcf6f77773c4a601bb4be73458c4f0b3fb72a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04622",
    "kind": "arxiv",
    "version": 2
  }
}