Pith Number

pith:SYKWYTCZ

pith:2019:SYKWYTCZE4XNILVUFEC3JWL5NP

not attested not anchored not stored refs pending

Technical notes: Syntax-aware Representation Learning With Pointer Networks

Matteo Grella

arxiv:1903.07161 v1 · 2019-03-17 · 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{SYKWYTCZE4XNILVUFEC3JWL5NP}

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	2026-05-17T23:51:04.053827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96156c4c59272ed42eb42905b4d97d6bee806e0814770d15afa7ef56e7f4c9bd

Aliases

arxiv: 1903.07161 · arxiv_version: 1903.07161v1 · doi: 10.48550/arxiv.1903.07161 · pith_short_12: SYKWYTCZE4XN · pith_short_16: SYKWYTCZE4XNILVU · pith_short_8: SYKWYTCZ

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/SYKWYTCZE4XNILVUFEC3JWL5NP \
  | 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: 96156c4c59272ed42eb42905b4d97d6bee806e0814770d15afa7ef56e7f4c9bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21b97b576dd1810c0f6682179b46c0a0b1c8f5e4ed269eaecba5ede5c1faa311",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-17T20:26:56Z",
    "title_canon_sha256": "89a359a2492053ea8cdd0ea22780549e9cf9a44e13888ecf25613ec0a05f3a40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07161",
    "kind": "arxiv",
    "version": 1
  }
}