Pith Number

pith:MCI4VT56

pith:2011:MCI4VT563PK7E6KAY4WI2C54US

not attested not anchored not stored refs pending

The M4RIE library for dense linear algebra over small fields with even characteristic

Martin R. Albrecht

arxiv:1111.6900 v1 · 2011-11-29 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCI4VT563PK7E6KAY4WI2C54US}

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	2026-05-18T04:07:28.296702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6091cacfbedbd5f27940c72c8d0bbca494aa8a5274b2833873095cf32b97306b

Aliases

arxiv: 1111.6900 · arxiv_version: 1111.6900v1 · doi: 10.48550/arxiv.1111.6900 · pith_short_12: MCI4VT563PK7 · pith_short_16: MCI4VT563PK7E6KA · pith_short_8: MCI4VT56

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/MCI4VT563PK7E6KAY4WI2C54US \
  | 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: 6091cacfbedbd5f27940c72c8d0bbca494aa8a5274b2833873095cf32b97306b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbaae358bf4ade4e9d08c9fe3d69b9b25e9b4ded5a76ea8e932ac2d864ce4d93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2011-11-29T17:05:00Z",
    "title_canon_sha256": "d4c105030d1b3a5dfa094a5b33b2c2f3ad10d0bfb151fa8677763c34c19be385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6900",
    "kind": "arxiv",
    "version": 1
  }
}