Pith Number

pith:HCUMWIK3

pith:2021:HCUMWIK3U23HGG3PVMHZOHIHNC

not attested not anchored not stored refs pending

Schreier-Sims Cuts meet Stable Set: Preserving Problem Structure when Handling Symmetries

Christopher Hojny, Jos\'e Verschae, Marc E. Pfetsch

arxiv:2111.07576 v1 · 2021-11-15 · 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{HCUMWIK3U23HGG3PVMHZOHIHNC}

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	2026-07-05T03:31:41.361767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38a8cb215ba6b6731b6fab0f971d0768b0953a40964fc5b6af4fdcf96f0ccfe3

Aliases

arxiv: 2111.07576 · arxiv_version: 2111.07576v1 · doi: 10.48550/arxiv.2111.07576 · pith_short_12: HCUMWIK3U23H · pith_short_16: HCUMWIK3U23HGG3P · pith_short_8: HCUMWIK3

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/HCUMWIK3U23HGG3PVMHZOHIHNC \
  | 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: 38a8cb215ba6b6731b6fab0f971d0768b0953a40964fc5b6af4fdcf96f0ccfe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "734f6fad557bf96affcd75f09804152b002fe8d6365daf7114ae40b2cd2a5369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-11-15T07:46:50Z",
    "title_canon_sha256": "d573946c2877ccade75f220a7ad2839209d57c4f1a5ee2fea0b6c66bd0752821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07576",
    "kind": "arxiv",
    "version": 1
  }
}