Pith Number

pith:A7DCJH2R

pith:2013:A7DCJH2RRJF72EO62CJRFB4WQM

not attested not anchored not stored refs pending

Randomized Interpolative Decomposition of Separated Representations

Daniel Beylkin, David J. Biagioni, Gregory Beylkin

arxiv:1306.5013 v2 · 2013-06-20 · math.NA · cs.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{A7DCJH2RRJF72EO62CJRFB4WQM}

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	2026-05-18T03:04:24.102106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c6249f518a4bfd11ded093128796832771f6dd8060b3ee3c64608edb7c22a4

Aliases

arxiv: 1306.5013 · arxiv_version: 1306.5013v2 · doi: 10.48550/arxiv.1306.5013 · pith_short_12: A7DCJH2RRJF7 · pith_short_16: A7DCJH2RRJF72EO6 · pith_short_8: A7DCJH2R

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/A7DCJH2RRJF72EO62CJRFB4WQM \
  | 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: 07c6249f518a4bfd11ded093128796832771f6dd8060b3ee3c64608edb7c22a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b02135fe3b7cbb1850b6cad09551d72e60239eda39fe1f8df78cfb0c2c89725",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-06-20T22:30:09Z",
    "title_canon_sha256": "30578c6e2fa78d58bcb6445f114c6b1a02523ff862d27dc96e954742457fe52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5013",
    "kind": "arxiv",
    "version": 2
  }
}