Pith Number

pith:WCGU2Y44

pith:2017:WCGU2Y443REC5MNUUD6WUACHHT

not attested not anchored not stored refs pending

On matrices with displacement structure: generalized operators and faster algorithms

Alin Bostan, Christophe Mouilleron, Claude-Pierre Jeannerod, \'Eric Schost

arxiv:1703.03734 v1 · 2017-03-10 · cs.SC · 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{WCGU2Y443REC5MNUUD6WUACHHT}

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	2026-05-18T00:48:55.933339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08d4d639cdc482eb1b4a0fd6a00473cc19fab98c077da0d6701a26169cd0d74

Aliases

arxiv: 1703.03734 · arxiv_version: 1703.03734v1 · doi: 10.48550/arxiv.1703.03734 · pith_short_12: WCGU2Y443REC · pith_short_16: WCGU2Y443REC5MNU · pith_short_8: WCGU2Y44

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/WCGU2Y443REC5MNUUD6WUACHHT \
  | 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: b08d4d639cdc482eb1b4a0fd6a00473cc19fab98c077da0d6701a26169cd0d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6eb9317e43301208ebf1b5f41a04f585316b474b13acbcdf0c595a14abaf109",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2017-03-10T16:03:26Z",
    "title_canon_sha256": "4f6d7883f0460e3974ee33bb45561924f8d7d9e45da6a889da139d5cbd7fd5fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03734",
    "kind": "arxiv",
    "version": 1
  }
}