Pith Number

pith:IZLMN46F

pith:2014:IZLMN46F5AZH3ZTQ6ULW3U3GR6

not attested not anchored not stored refs pending

Randomized methods for rank-deficient linear systems

Josef Sifuentes, Leslie Greengard, Zydrunas Gimbutas

arxiv:1401.3068 v1 · 2014-01-14 · 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{IZLMN46F5AZH3ZTQ6ULW3U3GR6}

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	2026-05-18T03:02:19.715551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4656c6f3c5e8327de670f5176dd3668f81717fc5e3ded872ed36d07ad9c1385e

Aliases

arxiv: 1401.3068 · arxiv_version: 1401.3068v1 · doi: 10.48550/arxiv.1401.3068 · pith_short_12: IZLMN46F5AZH · pith_short_16: IZLMN46F5AZH3ZTQ · pith_short_8: IZLMN46F

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/IZLMN46F5AZH3ZTQ6ULW3U3GR6 \
  | 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: 4656c6f3c5e8327de670f5176dd3668f81717fc5e3ded872ed36d07ad9c1385e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8498bce0b5ba36fd50470299c53544058a8a191dcad8bd3a137cf2cd10832d8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-14T04:57:51Z",
    "title_canon_sha256": "94b5188c6f6cd828c1265b9d41badb9bbcb8cea3bdf4d3c19fa81f241d70918e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3068",
    "kind": "arxiv",
    "version": 1
  }
}