Pith Number

pith:J6ANS6RW

pith:2018:J6ANS6RWJEWNJK63Q5RODQ6KSH

not attested not anchored not stored refs pending

Determining r-Robustness of Digraphs Using Mixed Integer Linear Programming

Dimitra Panagou, James Usevitch

arxiv:1810.01784 v2 · 2018-10-02 · cs.SY · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6ANS6RWJEWNJK63Q5RODQ6KSH}

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	2026-05-17T23:42:53.672036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f80d97a36492cd4abdb8762e1c3ca91c74b0eb6cdd8f777a5654c7e5952912b

Aliases

arxiv: 1810.01784 · arxiv_version: 1810.01784v2 · doi: 10.48550/arxiv.1810.01784 · pith_short_12: J6ANS6RWJEWN · pith_short_16: J6ANS6RWJEWNJK63 · pith_short_8: J6ANS6RW

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/J6ANS6RWJEWNJK63Q5RODQ6KSH \
  | 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: 4f80d97a36492cd4abdb8762e1c3ca91c74b0eb6cdd8f777a5654c7e5952912b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95aabe18b79e15ce6091086111ca8107827e9253794fc92ffa5a16c407a6d447",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-10-02T03:52:05Z",
    "title_canon_sha256": "06b3f8029f936b5eba4a5632457969f6f433684aa6b550f32c0b6576758461c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01784",
    "kind": "arxiv",
    "version": 2
  }
}