Pith Number

pith:HKOQKUHV

pith:2018:HKOQKUHVLLW5VNOB37JB64Z45U

not attested not anchored not stored refs pending

Backpropagating through Structured Argmax using a SPIGOT

Hao Peng, Noah A. Smith, Sam Thomson

arxiv:1805.04658 v1 · 2018-05-12 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKOQKUHVLLW5VNOB37JB64Z45U}

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	2026-05-18T00:16:06.770094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9d0550f55aeddab5c1dfd21f733ced09983dd6a12f3c2c3b5ea116509b4648

Aliases

arxiv: 1805.04658 · arxiv_version: 1805.04658v1 · doi: 10.48550/arxiv.1805.04658 · pith_short_12: HKOQKUHVLLW5 · pith_short_16: HKOQKUHVLLW5VNOB · pith_short_8: HKOQKUHV

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/HKOQKUHVLLW5VNOB37JB64Z45U \
  | 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: 3a9d0550f55aeddab5c1dfd21f733ced09983dd6a12f3c2c3b5ea116509b4648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620a3cd437142d8578a96fdd407613ab54737f8e7722ff7c8b133b658b16b5f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-12T05:27:45Z",
    "title_canon_sha256": "e7e33d0995a6f93b255e804e9b84514a503416f21146f47f20b557788b619306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04658",
    "kind": "arxiv",
    "version": 1
  }
}