Pith Number

pith:IP4I4OMH

pith:2015:IP4I4OMHIRWNMJN6EOHFCW3QXD

not attested not anchored not stored refs pending

An Automatic Machine Translation Evaluation Metric Based on Dependency Parsing Model

Hui Yu, Qun Liu, ShouXun Lin, Wenbin Jiang, Xiaofeng Wu

arxiv:1508.01996 v2 · 2015-08-09 · 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{IP4I4OMHIRWNMJN6EOHFCW3QXD}

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	2026-05-18T01:00:12.767547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f88e3987446cd625be238e515b70b8c01c0d96fc9731d917e735da27aa72e7

Aliases

arxiv: 1508.01996 · arxiv_version: 1508.01996v2 · doi: 10.48550/arxiv.1508.01996 · pith_short_12: IP4I4OMHIRWN · pith_short_16: IP4I4OMHIRWNMJN6 · pith_short_8: IP4I4OMH

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/IP4I4OMHIRWNMJN6EOHFCW3QXD \
  | 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: 43f88e3987446cd625be238e515b70b8c01c0d96fc9731d917e735da27aa72e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7fa3ed47b499471be3e31ec4ac9069a50e61979aed2e788018a82032515aac5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-08-09T07:55:51Z",
    "title_canon_sha256": "b95aba8451c9de78fc78c19b58ede7b2dc087489dc41d4b3f55b1bc8caef8f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01996",
    "kind": "arxiv",
    "version": 2
  }
}