Pith Number

pith:KGAKRPSC

pith:2015:KGAKRPSCL5DNTUTKVDRKGDDFQW

not attested not anchored not stored refs pending

Notes About a More Aware Dependency Parser

Matteo Grella

arxiv:1507.05630 v1 · 2015-07-20 · 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{KGAKRPSCL5DNTUTKVDRKGDDFQW}

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	2026-05-18T01:36:32.894627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5180a8be425f46d9d26aa8e2a30c6585a7b6a4c27bba815e0d6b2eac6ed6d1d3

Aliases

arxiv: 1507.05630 · arxiv_version: 1507.05630v1 · doi: 10.48550/arxiv.1507.05630 · pith_short_12: KGAKRPSCL5DN · pith_short_16: KGAKRPSCL5DNTUTK · pith_short_8: KGAKRPSC

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/KGAKRPSCL5DNTUTKVDRKGDDFQW \
  | 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: 5180a8be425f46d9d26aa8e2a30c6585a7b6a4c27bba815e0d6b2eac6ed6d1d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5375f249e4689662be2879dc96c7102a85780558c496ddff46f048ee723ba27e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-07-20T20:01:44Z",
    "title_canon_sha256": "399879df91c8ab9397ee4d4052d26c21048b1226e10858e8f9931f6cb865f603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05630",
    "kind": "arxiv",
    "version": 1
  }
}