Pith Number

pith:ODI3RVT6

pith:2021:ODI3RVT6FZTBGOYWBGJGE4N6F6

not attested not anchored not stored refs pending

How Deep is your Learning: the DL-HARD Annotated Deep Learning Dataset

Andrew Yates, Iain Mackie, Jeffery Dalton

arxiv:2105.07975 v1 · 2021-05-17 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODI3RVT6FZTBGOYWBGJGE4N6F6}

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	2026-07-05T02:40:46.719384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d1b8d67e2e66133b1609926271be2fad75658dd865a1484000c937864e0367

Aliases

arxiv: 2105.07975 · arxiv_version: 2105.07975v1 · doi: 10.48550/arxiv.2105.07975 · pith_short_12: ODI3RVT6FZTB · pith_short_16: ODI3RVT6FZTBGOYW · pith_short_8: ODI3RVT6

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/ODI3RVT6FZTBGOYWBGJGE4N6F6 \
  | 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: 70d1b8d67e2e66133b1609926271be2fad75658dd865a1484000c937864e0367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb04b6ae82997aadfdf9d8bef8bf13dc9ea6434ca2e491de3ce59c69f9d8656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-05-17T15:58:44Z",
    "title_canon_sha256": "95e7674f989d32917fe820ce4fa84feb9d8f4bca8475e3d0aefde7d08f790b9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07975",
    "kind": "arxiv",
    "version": 1
  }
}