Pith Number

pith:OOTGGXMX

pith:2026:OOTGGXMXTKKXXETYLXP4D7RIAS

not attested not anchored not stored refs pending

PAPA: Online Personalized Active Preference Alignment

Anindya Sarkar, Isaac Lyngaas, Muralikrishnan Gopalakrishnan Meena, Nasik Muhammad Nafi, Yevgeniy Vorobeychik

arxiv:2607.00486 v1 · 2026-07-01 · cs.LG · cs.AI · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOTGGXMXTKKXXETYLXP4D7RIAS}

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	2026-07-02T01:17:44.762731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a6635d979a957b92785ddfc1fe2804ab42042660d1a92a5d479002de8c1616

Aliases

arxiv: 2607.00486 · arxiv_version: 2607.00486v1 · doi: 10.48550/arxiv.2607.00486 · pith_short_12: OOTGGXMXTKKX · pith_short_16: OOTGGXMXTKKXXETY · pith_short_8: OOTGGXMX

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/OOTGGXMXTKKXXETYLXP4D7RIAS \
  | 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: 73a6635d979a957b92785ddfc1fe2804ab42042660d1a92a5d479002de8c1616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd53f4392c88b566a84c237ff89a9ef3d69dc7c907d8b3c9a61dc06dc6ff886",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-01T06:14:22Z",
    "title_canon_sha256": "dfb31d001c915afbcf22a72f9725c93864943da16a82e49d5a85f937abd16e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00486",
    "kind": "arxiv",
    "version": 1
  }
}