Pith Number

pith:4MJCW2CW

pith:2026:4MJCW2CW2IJI4KFD2N5O7KXTYZ

not attested not anchored not stored refs pending

Concordia: JIT-Compiled Persistent-Kernel Checkpointing for Fault-Tolerant LLM Inference

Andi Quinn, Chen Qian, Rain Jiang, Xiangyu Gao, Xiaoning Ding, Yichen Wang, Yiwei Yang, Yuhang Gan, Yuyi Li

arxiv:2606.23521 v1 · 2026-06-22 · cs.DC · 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{4MJCW2CW2IJI4KFD2N5O7KXTYZ}

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	2026-06-23T03:14:22.156953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3122b6856d2128e28a3d37aefaaf3c64a64391adaa6e2328e2fb5b0f2bf1db0

Aliases

arxiv: 2606.23521 · arxiv_version: 2606.23521v1 · doi: 10.48550/arxiv.2606.23521 · pith_short_12: 4MJCW2CW2IJI · pith_short_16: 4MJCW2CW2IJI4KFD · pith_short_8: 4MJCW2CW

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/4MJCW2CW2IJI4KFD2N5O7KXTYZ \
  | 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: e3122b6856d2128e28a3d37aefaaf3c64a64391adaa6e2328e2fb5b0f2bf1db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1179ebf880c47608e9030c81c4580d77e46235b21d9edd3e8031deb58911728a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-06-22T16:06:11Z",
    "title_canon_sha256": "7b05ba7592ea395f1b5eb70ad383ffebbc8f15346a3b9e6ccd3dc1467d881bf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23521",
    "kind": "arxiv",
    "version": 1
  }
}