Pith Number

pith:TEKAV434

pith:2026:TEKAV43454KSD5VFRXBLKSNHX4

not attested not anchored not stored refs pending

Beyond Uniform Forgetting: A Study of Sequential Direct Preference Optimization Across Preference Settings

Amitava Datta, Mehwish Nasim, Nicolas Fay, Pranav Bhandari, Usman Naseem

arxiv:2606.19744 v1 · 2026-06-18 · cs.CL · cs.AI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEKAV43454KSD5VFRXBLKSNHX4}

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	2026-06-19T16:12:33.895805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99140af37cef1521f6a58dc2b549a7bf01ad6474cf20a7affa239dff44ec8bbd

Aliases

arxiv: 2606.19744 · arxiv_version: 2606.19744v1 · doi: 10.48550/arxiv.2606.19744 · pith_short_12: TEKAV43454KS · pith_short_16: TEKAV43454KSD5VF · pith_short_8: TEKAV434

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/TEKAV43454KSD5VFRXBLKSNHX4 \
  | 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: 99140af37cef1521f6a58dc2b549a7bf01ad6474cf20a7affa239dff44ec8bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9995a5e462e2877a31be83fd57fca3a426b7b548faa6019787e6284fa0aa51",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-18T03:20:41Z",
    "title_canon_sha256": "d7c28e9815adb1493c74abe8126524297f29a7f60b032f28841071eaf4c808d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19744",
    "kind": "arxiv",
    "version": 1
  }
}