Pith Number

pith:UHGT2VLP

pith:2022:UHGT2VLPFAFBWPLUDMQAOQRFZF

not attested not anchored not stored refs pending

Robust Preference Learning for Storytelling via Contrastive Reinforcement Learning

Alexander Havrilla, Anbang Ye, Ian Yang, Louis Castricato, Mark Riedl, Michael Pieler, Shahbuland Matiana, Spencer Frazier

arxiv:2210.07792 v2 · 2022-10-14 · 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{UHGT2VLPFAFBWPLUDMQAOQRFZF}

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	2026-07-05T05:25:31.220774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1cd3d556f280a1b3d741b20074225c95df77c19b09694149a1d5c96bb44e94b

Aliases

arxiv: 2210.07792 · arxiv_version: 2210.07792v2 · doi: 10.48550/arxiv.2210.07792 · pith_short_12: UHGT2VLPFAFB · pith_short_16: UHGT2VLPFAFBWPLU · pith_short_8: UHGT2VLP

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/UHGT2VLPFAFBWPLUDMQAOQRFZF \
  | 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: a1cd3d556f280a1b3d741b20074225c95df77c19b09694149a1d5c96bb44e94b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69600f66d9a27de6cccaa2f20ccc80bc48233e9434066105e9ebcbb5466082c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-10-14T13:21:33Z",
    "title_canon_sha256": "b170cc69b76ae944c1b3b232d11f59864151a21ccbf4ac051731b6a9c9ae7b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.07792",
    "kind": "arxiv",
    "version": 2
  }
}