Pith Number

pith:PJ7KWP4P

pith:2018:PJ7KWP4PR67WPWNMBIEYURHPNX

not attested not anchored not stored refs pending

Three-step alternating iterations for index one matrices

Ashish Kumar Nandi, Debasisha Mishra, Jajati Keshari Sahoo

arxiv:1811.12246 v1 · 2018-11-29 · 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{PJ7KWP4PR67WPWNMBIEYURHPNX}

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	2026-05-17T23:41:24.792608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7eab3f8f8fbf67d9ac0a098a44ef6dd50e2e11a81662a9c1966a685c829c9e

Aliases

arxiv: 1811.12246 · arxiv_version: 1811.12246v1 · doi: 10.48550/arxiv.1811.12246 · pith_short_12: PJ7KWP4PR67W · pith_short_16: PJ7KWP4PR67WPWNM · pith_short_8: PJ7KWP4P

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/PJ7KWP4PR67WPWNMBIEYURHPNX \
  | 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: 7a7eab3f8f8fbf67d9ac0a098a44ef6dd50e2e11a81662a9c1966a685c829c9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebba73924aeb86db26414cea3a261fb026aa99394b3f7ead0d9e559c80704178",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-29T15:28:54Z",
    "title_canon_sha256": "6293992a08f65eca2f3b6921eb7b11714834ab50e4422129e93b9dcd2bb95510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12246",
    "kind": "arxiv",
    "version": 1
  }
}