Pith Number

pith:HJBHA3DR

pith:2013:HJBHA3DRQ7EEOT6VWAKN2R4QQ2

not attested not anchored not stored refs pending

Randomized algorithms for Generalized Hermitian Eigenvalue Problems with application to computing Karhunen-Lo\`{e}ve expansion

Arvind K. Saibaba, Jonghyun Lee, Peter K. Kitanidis

arxiv:1307.6885 v3 · 2013-07-25 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJBHA3DRQ7EEOT6VWAKN2R4QQ2}

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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	2026-05-18T02:14:18.238628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a42706c7187c8474fd5b014dd47908692097878ad3dd9312bf221cc9d5d35d2

Aliases

arxiv: 1307.6885 · arxiv_version: 1307.6885v3 · doi: 10.48550/arxiv.1307.6885 · pith_short_12: HJBHA3DRQ7EE · pith_short_16: HJBHA3DRQ7EEOT6V · pith_short_8: HJBHA3DR

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/HJBHA3DRQ7EEOT6VWAKN2R4QQ2 \
  | 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: 3a42706c7187c8474fd5b014dd47908692097878ad3dd9312bf221cc9d5d35d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8856a992a120ed883ed1b65f2c683498c4c27159637ea037459b3a0b35cb835c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-25T22:13:42Z",
    "title_canon_sha256": "010356dfaea75398b23d84ab9bb4f8b3269afcfd37fbcc03eff2aff65eeeda55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6885",
    "kind": "arxiv",
    "version": 3
  }
}