Pith Number

pith:O462CV64

pith:2024:O462CV64UZH26TA4LDR5WJZ2MN

not attested not anchored not stored refs pending

Incremental Hierarchical Tucker Decomposition

Alex A. Gorodetsky, Doruk Aksoy

arxiv:2412.16544 v1 · 2024-12-21 · math.NA · cs.NA · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O462CV64UZH26TA4LDR5WJZ2MN}

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	2026-07-05T09:52:49.340571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

773da157dca64faf4c1c58e3db273a63799ed89d15cdcf1f000cde05ca52419c

Aliases

arxiv: 2412.16544 · arxiv_version: 2412.16544v1 · doi: 10.48550/arxiv.2412.16544 · pith_short_12: O462CV64UZH2 · pith_short_16: O462CV64UZH26TA4 · pith_short_8: O462CV64

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/O462CV64UZH26TA4LDR5WJZ2MN \
  | 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: 773da157dca64faf4c1c58e3db273a63799ed89d15cdcf1f000cde05ca52419c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3c55287ce9357b92a1bbdcafdf0c49db1ed3c317f6804047ccac972a86c6850",
    "cross_cats_sorted": [
      "cs.NA",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-12-21T09:01:04Z",
    "title_canon_sha256": "913a7f75f7ec6ebbbfdf3135382675b5995599ca40d76ec8fa69d955a051f563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.16544",
    "kind": "arxiv",
    "version": 1
  }
}