Pith Number

pith:TY5BDZBP

pith:2020:TY5BDZBPTUQQPQFV6U2RKCTRCO

not attested not anchored not stored refs pending

Automatic transformation of irreducible representations for efficient contraction of tensors with cyclic group symmetry

Edgar Solomonik, Garnet Kin-Lic Chan, Phillip Helms, Yang Gao

arxiv:2007.08056 v4 · 2020-07-16 · physics.comp-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{TY5BDZBPTUQQPQFV6U2RKCTRCO}

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	2026-07-05T05:00:35.494988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3a11e42f9d2107c0b5f535150a71138ea531d0a0cd1806279bc9740fefd0b3

Aliases

arxiv: 2007.08056 · arxiv_version: 2007.08056v4 · doi: 10.48550/arxiv.2007.08056 · pith_short_12: TY5BDZBPTUQQ · pith_short_16: TY5BDZBPTUQQPQFV · pith_short_8: TY5BDZBP

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/TY5BDZBPTUQQPQFV6U2RKCTRCO \
  | 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: 9e3a11e42f9d2107c0b5f535150a71138ea531d0a0cd1806279bc9740fefd0b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c101ab3035b138c6d00b3a2076ab4a7df04cf937250c195e8fd8f4e6e900d371",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-07-16T01:07:44Z",
    "title_canon_sha256": "33edd1c8691a534dcc52936558e07e0d2f5ba806e1cc4346868fed5b3e8bd8e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08056",
    "kind": "arxiv",
    "version": 4
  }
}