Pith Number

pith:SD4XU3FY

pith:2012:SD4XU3FY5U327OZDZSPX2QBXZY

not attested not anchored not stored refs pending

TT-GMRES: on solution to a linear system in the structured tensor format

Sergey V. Dolgov

arxiv:1206.5512 v1 · 2012-06-24 · 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{SD4XU3FY5U327OZDZSPX2QBXZY}

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	2026-05-18T03:52:39.874487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f97a6cb8ed37afbb23cc9f7d4037ce0279e758fa547c97ededcfe61d8afdca

Aliases

arxiv: 1206.5512 · arxiv_version: 1206.5512v1 · doi: 10.48550/arxiv.1206.5512 · pith_short_12: SD4XU3FY5U32 · pith_short_16: SD4XU3FY5U327OZD · pith_short_8: SD4XU3FY

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/SD4XU3FY5U327OZDZSPX2QBXZY \
  | 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: 90f97a6cb8ed37afbb23cc9f7d4037ce0279e758fa547c97ededcfe61d8afdca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4e1ef05a9cd25d8cb7b7aed64169f948383d729f19cba854879148d8035532",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-06-24T15:57:58Z",
    "title_canon_sha256": "c1ee1827723c44e5094ef79b5be6dd6c9ef6db34bb287afd17a336696f071896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5512",
    "kind": "arxiv",
    "version": 1
  }
}