Pith Number

pith:LQGV7I3B

pith:2011:LQGV7I3B4WGLCWPREX6BKZ5WRS

not attested not anchored not stored refs pending

An Amendment of Fast Subspace Tracking Methods

Haitao Liu, Majid Ahmadi, Zhan Wang, Zhu Cheng

arxiv:1201.0041 v3 · 2011-12-30 · math.NA · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQGV7I3B4WGLCWPREX6BKZ5WRS}

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	2026-05-18T04:01:25.691662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c0d5fa361e58cb159f125fc1567b68ca2aa48873b01ea733d51b81f953c96a9

Aliases

arxiv: 1201.0041 · arxiv_version: 1201.0041v3 · doi: 10.48550/arxiv.1201.0041 · pith_short_12: LQGV7I3B4WGL · pith_short_16: LQGV7I3B4WGLCWPR · pith_short_8: LQGV7I3B

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/LQGV7I3B4WGLCWPREX6BKZ5WRS \
  | 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: 5c0d5fa361e58cb159f125fc1567b68ca2aa48873b01ea733d51b81f953c96a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6aa824da58e129742b6df6c7366bb4a705ba08dd0f6532cbfb5bd7a0795349b",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-12-30T00:14:58Z",
    "title_canon_sha256": "cc1fc2b83dfa126824b4253f74e9dd69cae1f619103a2d0422270e2ba28455fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0041",
    "kind": "arxiv",
    "version": 3
  }
}