Pith Number

pith:TXYNW6VV

pith:2012:TXYNW6VVTG4TIH2IOUIQOQSOJY

not attested not anchored not stored refs pending

Numerical determination of partial spectrum of Hermitian matrices using a Lanczos method with selective reorthogonalization

A.D. Kennedy, Chris Johnson

arxiv:1211.1180 v1 · 2012-11-06 · hep-lat · 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{TXYNW6VVTG4TIH2IOUIQOQSOJY}

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	2026-05-18T01:53:25.145246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9df0db7ab599b9341f48751107424e4e0bee3a4002182bb48a1aa1a0a4aaf1f4

Aliases

arxiv: 1211.1180 · arxiv_version: 1211.1180v1 · doi: 10.48550/arxiv.1211.1180 · pith_short_12: TXYNW6VVTG4T · pith_short_16: TXYNW6VVTG4TIH2I · pith_short_8: TXYNW6VV

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/TXYNW6VVTG4TIH2IOUIQOQSOJY \
  | 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: 9df0db7ab599b9341f48751107424e4e0bee3a4002182bb48a1aa1a0a4aaf1f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c6be667ae208e8306ccdc0195b3e79481c4f2a2ee0c835aaac87b7cf866146f",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2012-11-06T11:16:22Z",
    "title_canon_sha256": "f306cefc7d67567893dbe667436dcc7583a5add2c505693b81f24a73277c57e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1180",
    "kind": "arxiv",
    "version": 1
  }
}