Pith Number

pith:HADU5RJN

pith:2016:HADU5RJN5Y5YHN2NV4WIGB5LZD

not attested not anchored not stored refs pending

Capturing divergence in dependency trees to improve syntactic projection

Fei Xia, Ryan Georgi, William D. Lewis

arxiv:1605.04475 v1 · 2016-05-14 · 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{HADU5RJN5Y5YHN2NV4WIGB5LZD}

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	2026-05-18T01:14:47.111908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38074ec52dee3b83b74daf2c8307abc8c2c457ffdfa66bc9c0e8c3d00f3a7df0

Aliases

arxiv: 1605.04475 · arxiv_version: 1605.04475v1 · doi: 10.48550/arxiv.1605.04475 · pith_short_12: HADU5RJN5Y5Y · pith_short_16: HADU5RJN5Y5YHN2N · pith_short_8: HADU5RJN

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/HADU5RJN5Y5YHN2NV4WIGB5LZD \
  | 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: 38074ec52dee3b83b74daf2c8307abc8c2c457ffdfa66bc9c0e8c3d00f3a7df0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73d523950dc914b4eea4968f4f3f9e4a2be84ea8c2324f4428470668333ad15e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-05-14T22:11:07Z",
    "title_canon_sha256": "1b36c24c900a0159674978bfcd6128751b18362efab7a506e3db0f9580cf55ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04475",
    "kind": "arxiv",
    "version": 1
  }
}