Pith Number

pith:D5IR7YT4

pith:2022:D5IR7YT4TEGI5DJY5DRBPQM5VM

not attested not anchored not stored refs pending

Stack operation of tensor networks

Bo Yang, Erping Li, L. K. Ang, Tianning Zhang, Tianqi Chen

arxiv:2203.16338 v2 · 2022-03-28 · cs.LG · cs.CV · cs.NA · 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{D5IR7YT4TEGI5DJY5DRBPQM5VM}

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	2026-07-05T04:26:00.033654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f511fe27c990c8e8d38e8e217c19dab311931b6b95f59ea49611b9398cb7297

Aliases

arxiv: 2203.16338 · arxiv_version: 2203.16338v2 · doi: 10.48550/arxiv.2203.16338 · pith_short_12: D5IR7YT4TEGI · pith_short_16: D5IR7YT4TEGI5DJY · pith_short_8: D5IR7YT4

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/D5IR7YT4TEGI5DJY5DRBPQM5VM \
  | 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: 1f511fe27c990c8e8d38e8e217c19dab311931b6b95f59ea49611b9398cb7297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f46bb2e52b523979110e5dbad9e60dfd0891169d948ad0ca8517e7817541de7",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA",
      "math.NA",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-28T12:45:13Z",
    "title_canon_sha256": "9a4c9877490686056330eaa75e9ff83b827d2612b8f45cb531964d790ae44ac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16338",
    "kind": "arxiv",
    "version": 2
  }
}