Pith Number

pith:S7UVVTHO

pith:2013:S7UVVTHOAUBD3NI4YNB2MDHAOV

not attested not anchored not stored refs pending

A literature survey of low-rank tensor approximation techniques

Christine Tobler, Daniel Kressner, Lars Grasedyck

arxiv:1302.7121 v1 · 2013-02-28 · math.NA · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7UVVTHOAUBD3NI4YNB2MDHAOV}

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	2026-05-18T03:32:17.381837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97e95accee05023db51cc343a60ce07571e25e5098e1487c41de2158d7778115

Aliases

arxiv: 1302.7121 · arxiv_version: 1302.7121v1 · doi: 10.48550/arxiv.1302.7121 · pith_short_12: S7UVVTHOAUBD · pith_short_16: S7UVVTHOAUBD3NI4 · pith_short_8: S7UVVTHO

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/S7UVVTHOAUBD3NI4YNB2MDHAOV \
  | 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: 97e95accee05023db51cc343a60ce07571e25e5098e1487c41de2158d7778115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "836be140a607dff115695afcfa8f02745813d720b17600bdba4df8da729421f6",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-28T09:24:12Z",
    "title_canon_sha256": "4a2c9c4718535f3bc76cc45fbf48aab505eb78d93411f2388f1acac4902ad8b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7121",
    "kind": "arxiv",
    "version": 1
  }
}