Pith Number

pith:DZ6Q6ITO

pith:2018:DZ6Q6ITOPY7DHBTBA33TCNY4PT

not attested not anchored not stored refs pending

Structure-Preserving {\Gamma}QR and {\Gamma}-Lanczos Algorithms for Bethe-Salpeter Eigenvalue Problems

Tiexiang Li, Ying-Ying Zhou, Zhen-Chen Guo

arxiv:1801.00884 v1 · 2018-01-03 · 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{DZ6Q6ITOPY7DHBTBA33TCNY4PT}

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	2026-05-18T00:26:48.525245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e7d0f226e7e3e33866106f731371c7cdb9d22c1a234ad459abd1bbd47c7fab4

Aliases

arxiv: 1801.00884 · arxiv_version: 1801.00884v1 · doi: 10.48550/arxiv.1801.00884 · pith_short_12: DZ6Q6ITOPY7D · pith_short_16: DZ6Q6ITOPY7DHBTB · pith_short_8: DZ6Q6ITO

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/DZ6Q6ITOPY7DHBTBA33TCNY4PT \
  | 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: 1e7d0f226e7e3e33866106f731371c7cdb9d22c1a234ad459abd1bbd47c7fab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9d5bbfad70a80bd95211d5a49fcbfac24cfa050bb68984074a55156bd52ff31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-03T02:21:17Z",
    "title_canon_sha256": "2b7c85213837689e1ecc42f3e8f4bc13b8b7fc6ec059cbc2e62a591ce7fa475b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00884",
    "kind": "arxiv",
    "version": 1
  }
}