Pith Number

pith:PFOML7MD

pith:2017:PFOML7MDI4BJBVTYISZSRULIRI

not attested not anchored not stored refs pending

Learning to Compose Task-Specific Tree Structures

Jihun Choi, Kang Min Yoo, Sang-goo Lee

arxiv:1707.02786 v4 · 2017-07-10 · 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{PFOML7MDI4BJBVTYISZSRULIRI}

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	2026-05-18T00:30:01.545570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795cc5fd83470290d67844b328d1688a2de7046663b1a5492c76325cb76aba15

Aliases

arxiv: 1707.02786 · arxiv_version: 1707.02786v4 · doi: 10.48550/arxiv.1707.02786 · pith_short_12: PFOML7MDI4BJ · pith_short_16: PFOML7MDI4BJBVTY · pith_short_8: PFOML7MD

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/PFOML7MDI4BJBVTYISZSRULIRI \
  | 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: 795cc5fd83470290d67844b328d1688a2de7046663b1a5492c76325cb76aba15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c131e03d74d1d6de606b53a6610076c0344f710f257320972c88cb1cd92e2dd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-07-10T10:18:08Z",
    "title_canon_sha256": "23f84e749e7a4808847b851ec44b5e21e6c686f002fe65590f5ce5500c1bf94c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02786",
    "kind": "arxiv",
    "version": 4
  }
}