Pith Number

pith:4ZZ5RWTM

pith:2014:4ZZ5RWTMI3MEMAI6JRF6QKOJVI

not attested not anchored not stored refs pending

Optimization on the Hierarchical Tucker manifold - applications to tensor completion

Curt Da Silva, Felix J. Herrmann

arxiv:1405.2096 v1 · 2014-05-08 · 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{4ZZ5RWTMI3MEMAI6JRF6QKOJVI}

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	2026-05-18T02:52:13.702306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e673d8da6c46d846011e4c4be829c9aa3163c23dab670e41a9260b1cd9f39387

Aliases

arxiv: 1405.2096 · arxiv_version: 1405.2096v1 · doi: 10.48550/arxiv.1405.2096 · pith_short_12: 4ZZ5RWTMI3ME · pith_short_16: 4ZZ5RWTMI3MEMAI6 · pith_short_8: 4ZZ5RWTM

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/4ZZ5RWTMI3MEMAI6JRF6QKOJVI \
  | 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: e673d8da6c46d846011e4c4be829c9aa3163c23dab670e41a9260b1cd9f39387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f861df0fc9d10acaf060a506f8cc2b87745c5f1a2c55aec89ca9e40d802c41b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-05-08T20:49:51Z",
    "title_canon_sha256": "a8fa2d7a31d1b920274823f4b700aa9b15e418e5284179978a8f59fbf4e6331f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2096",
    "kind": "arxiv",
    "version": 1
  }
}