Pith Number

pith:4UEDEQUQ

pith:2012:4UEDEQUQKLNWF6OWRTIDXVO3X5

not attested not anchored not stored refs pending

Using tensor hypercontraction density fitting to achieve an O(L^4) CISD algorithm

Helen van Aggelen, Neil Shenvi, Weitao Yang

arxiv:1209.2935 v1 · 2012-09-13 · physics.chem-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{4UEDEQUQKLNWF6OWRTIDXVO3X5}

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	2026-05-18T03:45:40.588739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e50832429052db62f9d68cd03bd5dbbf5147ca308d13e28b65ca2961d9088cc1

Aliases

arxiv: 1209.2935 · arxiv_version: 1209.2935v1 · doi: 10.48550/arxiv.1209.2935 · pith_short_12: 4UEDEQUQKLNW · pith_short_16: 4UEDEQUQKLNWF6OW · pith_short_8: 4UEDEQUQ

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/4UEDEQUQKLNWF6OWRTIDXVO3X5 \
  | 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: e50832429052db62f9d68cd03bd5dbbf5147ca308d13e28b65ca2961d9088cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d374c6e7c30aa42527975ae5b61f7c4899557a60ff09c428b971ea505618889",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2012-09-13T15:39:42Z",
    "title_canon_sha256": "2b8f8bd6a51e18c5b72303db43bf0377c9657d6400a3ae283b9a192820336a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2935",
    "kind": "arxiv",
    "version": 1
  }
}