Pith Number

pith:F5TN4ACX

pith:2021:F5TN4ACXGFCKQNYSQCA5LHHECR

not attested not anchored not stored refs pending

Analyzing a Caching Model

Been Kim, Evan Zheran Liu, James Wexler, Leon Sixt, Marie Pellat, Martin Maas, Milad Hashemi

arxiv:2112.06989 v2 · 2021-12-13 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5TN4ACXGFCKQNYSQCA5LHHECR}

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	2026-07-05T03:56:04.856254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f66de00573144a837128081d59ce4145be994006625ebc84da02b31494e0305

Aliases

arxiv: 2112.06989 · arxiv_version: 2112.06989v2 · doi: 10.48550/arxiv.2112.06989 · pith_short_12: F5TN4ACXGFCK · pith_short_16: F5TN4ACXGFCKQNYS · pith_short_8: F5TN4ACX

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/F5TN4ACXGFCKQNYSQCA5LHHECR \
  | 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: 2f66de00573144a837128081d59ce4145be994006625ebc84da02b31494e0305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7868a72a23ca2956b25108e9e87eb31489c48d28cacf244d14834f79174502cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-13T19:53:07Z",
    "title_canon_sha256": "f3803703e4ca3b85d7e8bb82a67eab2deda1656c3de225e37359ddbcdd368bf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06989",
    "kind": "arxiv",
    "version": 2
  }
}