Pith Number

pith:IRBUE5MA

pith:2019:IRBUE5MAZ5VFUZNBCDDJKGZPZI

not attested not anchored not stored refs pending

Happy Together: Learning and Understanding Appraisal From Natural Language

Arun Rajendran, Chiyu Zhang, Muhammad Abdul-Mageed

arxiv:1906.03677 v1 · 2019-06-09 · 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{IRBUE5MAZ5VFUZNBCDDJKGZPZI}

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	2026-05-17T23:43:45.392085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4443427580cf6a5a65a110c6951b2fca13685df4fb05a4124a3ff63c818b2d1d

Aliases

arxiv: 1906.03677 · arxiv_version: 1906.03677v1 · doi: 10.48550/arxiv.1906.03677 · pith_short_12: IRBUE5MAZ5VF · pith_short_16: IRBUE5MAZ5VFUZNB · pith_short_8: IRBUE5MA

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/IRBUE5MAZ5VFUZNBCDDJKGZPZI \
  | 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: 4443427580cf6a5a65a110c6951b2fca13685df4fb05a4124a3ff63c818b2d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a401c87366905e5bf647a5fd1b3a6c788ff6816a176727f4ba05109892b0b34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-09T17:28:37Z",
    "title_canon_sha256": "0c9b7bc3c2b3d58d6e14636038e2f35b489543e7d35dcc64a21e57d850968c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03677",
    "kind": "arxiv",
    "version": 1
  }
}