Pith Number

pith:XETBRNFX

pith:2018:XETBRNFXF4ASKVJQI5JKWHSAJH

not attested not anchored not stored refs pending

An iterative generalized Golub-Kahan algorithm for problems in structural mechanics

Carola Kruse, Mario Arioli, Nicolas Tardieu, Ulrich Ruede

arxiv:1808.07677 v1 · 2018-08-23 · cs.CE · cs.NA · 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{XETBRNFXF4ASKVJQI5JKWHSAJH}

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	2026-05-18T00:07:24.513637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b92618b4b72f012555304752ab1e4049f6e38910e4a2b113d04e50b49e30305b

Aliases

arxiv: 1808.07677 · arxiv_version: 1808.07677v1 · doi: 10.48550/arxiv.1808.07677 · pith_short_12: XETBRNFXF4AS · pith_short_16: XETBRNFXF4ASKVJQ · pith_short_8: XETBRNFX

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/XETBRNFXF4ASKVJQI5JKWHSAJH \
  | 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: b92618b4b72f012555304752ab1e4049f6e38910e4a2b113d04e50b49e30305b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0193429e77c1a3a756be69782c854d803c1e625061f413cae8252c9ced7055",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-08-23T09:43:44Z",
    "title_canon_sha256": "2358ddc6016f7f7f997a83c536afb9a1e5344b2d037d331839e061310557ae4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07677",
    "kind": "arxiv",
    "version": 1
  }
}