Pith Number

pith:2PXDBH6Y

pith:2017:2PXDBH6YQ3GPHJY4LYPVUI5T5G

not attested not anchored not stored refs pending

DeepTingle

Ahmed Khalifa, Gabriella A. B. Barros, Julian Togelius

arxiv:1705.03557 v2 · 2017-05-09 · cs.CL · 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{2PXDBH6YQ3GPHJY4LYPVUI5T5G}

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	2026-05-17T23:50:02.781005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ee309fd886ccf3a71c5e1f5a23b3e9a835efa8da0e5331d1326c0567f4288b

Aliases

arxiv: 1705.03557 · arxiv_version: 1705.03557v2 · doi: 10.48550/arxiv.1705.03557 · pith_short_12: 2PXDBH6YQ3GP · pith_short_16: 2PXDBH6YQ3GPHJY4 · pith_short_8: 2PXDBH6Y

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/2PXDBH6YQ3GPHJY4LYPVUI5T5G \
  | 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: d3ee309fd886ccf3a71c5e1f5a23b3e9a835efa8da0e5331d1326c0567f4288b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1496f32c885cbbfdfd462ab8adb0b7891c566db53c58f5503f6f70e8cec74e76",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-05-09T22:12:19Z",
    "title_canon_sha256": "3acfd69bb0cd3d93ace6b45d2c28caf54403d27171073d1b2a802a640ad111e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03557",
    "kind": "arxiv",
    "version": 2
  }
}