Pith Number

pith:EG4IWDKQ

pith:2019:EG4IWDKQYOB2KIVVPPAMZXLWGP

not attested not anchored not stored refs pending

Train Where the Data is: A Case for Bandwidth Efficient Coded Training

Krishna Giri Narra, Mingchao Yu, Murali Annavaram, Salman Avestimehr, Zhifeng Lin

arxiv:1910.10283 v1 · 2019-10-22 · cs.DC · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EG4IWDKQYOB2KIVVPPAMZXLWGP}

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	2026-07-05T00:14:23.473672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21b88b0d50c383a522b57bc0ccdd7633c3e88bb809ce015596572e8dd85c3753

Aliases

arxiv: 1910.10283 · arxiv_version: 1910.10283v1 · doi: 10.48550/arxiv.1910.10283 · pith_short_12: EG4IWDKQYOB2 · pith_short_16: EG4IWDKQYOB2KIVV · pith_short_8: EG4IWDKQ

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/EG4IWDKQYOB2KIVVPPAMZXLWGP \
  | 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: 21b88b0d50c383a522b57bc0ccdd7633c3e88bb809ce015596572e8dd85c3753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86beddcb8f19ea034d050f26a87076c0d08edbfe4225380d7e28a099eaaacaf0",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-10-22T23:48:05Z",
    "title_canon_sha256": "0e354d706a76c4f981bf897b97be3fe2a2abeea0c549c9c535ff446111a9a750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.10283",
    "kind": "arxiv",
    "version": 1
  }
}