Pith Number

pith:5MFWFPKO

pith:2018:5MFWFPKORFPS3RNUOHIZSYQ76N

not attested not anchored not stored refs pending

A Transition-based Algorithm for Unrestricted AMR Parsing

Carlos G\'omez-Rodr\'iguez, David Vilares

arxiv:1805.09007 v1 · 2018-05-23 · 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{5MFWFPKORFPS3RNUOHIZSYQ76N}

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	2026-05-18T00:15:08.809521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb0b62bd4e895f2dc5b471d199621ff34ebfaeffc035e6260cd9792d28026851

Aliases

arxiv: 1805.09007 · arxiv_version: 1805.09007v1 · doi: 10.48550/arxiv.1805.09007 · pith_short_12: 5MFWFPKORFPS · pith_short_16: 5MFWFPKORFPS3RNU · pith_short_8: 5MFWFPKO

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/5MFWFPKORFPS3RNUOHIZSYQ76N \
  | 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: eb0b62bd4e895f2dc5b471d199621ff34ebfaeffc035e6260cd9792d28026851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97be7348589f6fd5be1b8325e262f5d703aa9da87107c2f44c17324e7bf1e291",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-23T08:20:06Z",
    "title_canon_sha256": "14707993e6263acba7ffe43f0834f6b048ba91a111dee08bc3d79a0aa380a64d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09007",
    "kind": "arxiv",
    "version": 1
  }
}