Pith Number

pith:TRPU3S2A

pith:2016:TRPU3S2ADYYVMLGW5K6NGV7EQ3

not attested not anchored not stored refs pending

The infinite bi-Lanczos method for nonlinear eigenvalue problems

Elias Jarlebring, Sarah W. Gaaf

arxiv:1607.03454 v1 · 2016-07-12 · 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{TRPU3S2ADYYVMLGW5K6NGV7EQ3}

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	2026-05-18T01:11:08.960548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c5f4dcb401e31562cd6eabcd357e486d34a9a259db187c7197da3c71f697742

Aliases

arxiv: 1607.03454 · arxiv_version: 1607.03454v1 · doi: 10.48550/arxiv.1607.03454 · pith_short_12: TRPU3S2ADYYV · pith_short_16: TRPU3S2ADYYVMLGW · pith_short_8: TRPU3S2A

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/TRPU3S2ADYYVMLGW5K6NGV7EQ3 \
  | 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: 9c5f4dcb401e31562cd6eabcd357e486d34a9a259db187c7197da3c71f697742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f564065e4dab14434089c6fcd6bb6c0b89ee1fe2b291dfecf9dc5d3daab1d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-07-12T18:18:59Z",
    "title_canon_sha256": "4532314b7e8fee58cecacea223d9e624e31a7f38fc552ad7348aa67534311d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03454",
    "kind": "arxiv",
    "version": 1
  }
}