Pith Number

pith:ISEPJJFU

pith:2026:ISEPJJFUE7B2K3ACB5V2VA5E2Z

not attested not anchored not stored refs pending

When Physical Preferences Meet Semantic Constraints: Physical and Semantic Direct Preference Optimization for Text-to-Video Generation

Ping Liu, Shu Zhang, Siwei Meng, Yawei Luo

arxiv:2607.16947 v1 · 2026-07-18 · 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{ISEPJJFUE7B2K3ACB5V2VA5E2Z}

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	2026-07-21T01:21:07.714214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4488f4a4b427c3a56c020f6baa83a4d6637ebeb653e9ac0e901f9f5ef1b456ae

Aliases

arxiv: 2607.16947 · arxiv_version: 2607.16947v1 · doi: 10.48550/arxiv.2607.16947 · pith_short_12: ISEPJJFUE7B2 · pith_short_16: ISEPJJFUE7B2K3AC · pith_short_8: ISEPJJFU

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/ISEPJJFUE7B2K3ACB5V2VA5E2Z \
  | 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: 4488f4a4b427c3a56c020f6baa83a4d6637ebeb653e9ac0e901f9f5ef1b456ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd47f4cb8c514a743a7024ec476381de31308244450825fc268c8c5d400d88d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-18T20:03:50Z",
    "title_canon_sha256": "bfa34e3e12bc91fb755b01c2c56a075544a51d8b80648e5c4639ea1e087815b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16947",
    "kind": "arxiv",
    "version": 1
  }
}