Pith Number

pith:QJHYOR24

pith:2015:QJHYOR24YPQYPM3TXSTKOND74B

not attested not anchored not stored refs pending

Using Syntax-Based Machine Translation to Parse English into Abstract Meaning Representation

Daniel Marcu, Jonathan May, Kevin Knight, Michael Pust, Ulf Hermjakob

arxiv:1504.06665 v2 · 2015-04-24 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJHYOR24YPQYPM3TXSTKOND74B}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:17:35.465743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

824f87475cc3e187b373bca6a7347fe06daa92e719f3ec90f65b144921dfa1c6

Aliases

arxiv: 1504.06665 · arxiv_version: 1504.06665v2 · doi: 10.48550/arxiv.1504.06665 · pith_short_12: QJHYOR24YPQY · pith_short_16: QJHYOR24YPQYPM3T · pith_short_8: QJHYOR24

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/QJHYOR24YPQYPM3TXSTKOND74B \
  | 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: 824f87475cc3e187b373bca6a7347fe06daa92e719f3ec90f65b144921dfa1c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6faad9220b729b2f5bc8de6ac50cb4a055b4e8b13c8e3927fe8d2a524eac06",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-04-24T23:24:10Z",
    "title_canon_sha256": "02c3ba50d471e8d05d32901a22ece89b37d4e65a3d636c1b4086f73eb264b22a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06665",
    "kind": "arxiv",
    "version": 2
  }
}