Pith Number

pith:USU6B324

pith:2018:USU6B3246OGIT6WNA7K6KTKJMF

not attested not anchored not stored refs pending

Generalization of real interval matrices to other fields

Elena Rubei

arxiv:1812.07386 v2 · 2018-12-15 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USU6B3246OGIT6WNA7K6KTKJMF}

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	2026-05-17T23:47:39.548053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a9e0ef5cf38c89facd07d5e54d4961569159a3abee2b771f449e6e1081eff7

Aliases

arxiv: 1812.07386 · arxiv_version: 1812.07386v2 · doi: 10.48550/arxiv.1812.07386 · pith_short_12: USU6B3246OGI · pith_short_16: USU6B3246OGIT6WN · pith_short_8: USU6B324

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/USU6B3246OGIT6WNA7K6KTKJMF \
  | 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: a4a9e0ef5cf38c89facd07d5e54d4961569159a3abee2b771f449e6e1081eff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5630d3b6f1165ba6a8be0bb442d6bb59b80cf5239df292aa3cbfb680757c5af8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-12-15T22:14:48Z",
    "title_canon_sha256": "6443cabb07813c88748653b766a617ab982cc3f4b158c0e6fb10fdc7f49aa471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07386",
    "kind": "arxiv",
    "version": 2
  }
}