Pith Number

pith:S4AMAHIW

pith:2021:S4AMAHIWR55VJ6XA2LZVA3I5WW

not attested not anchored not stored refs pending

Reusing Combinatorial Structure: Faster Iterative Projections over Submodular Base Polytopes

Hassan Mortagy, Jai Moondra, Swati Gupta

arxiv:2106.11943 v3 · 2021-06-22 · cs.LG · 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{S4AMAHIWR55VJ6XA2LZVA3I5WW}

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	2026-07-05T05:49:52.400862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9700c01d168f7b54fae0d2f3506d1db5ace20a6d7f5fe8a04b3b390fef527a65

Aliases

arxiv: 2106.11943 · arxiv_version: 2106.11943v3 · doi: 10.48550/arxiv.2106.11943 · pith_short_12: S4AMAHIWR55V · pith_short_16: S4AMAHIWR55VJ6XA · pith_short_8: S4AMAHIW

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/S4AMAHIWR55VJ6XA2LZVA3I5WW \
  | 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: 9700c01d168f7b54fae0d2f3506d1db5ace20a6d7f5fe8a04b3b390fef527a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f04e5a3d88530a87afa3889b42d70e3a820d78252f23c4b86688a4a056dba1e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-22T17:29:24Z",
    "title_canon_sha256": "b99574ef8a8c2a7b092a1a51cce977e78c0220cb2ae9fa57a7ab33dfe3990ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11943",
    "kind": "arxiv",
    "version": 3
  }
}