Pith Number

pith:HHDQLKYJ

pith:2026:HHDQLKYJ4BE4AZAP4THCXO6UTY

not attested not anchored not stored refs pending

PhiZero: A World Model Built Around Physical Language

Lue Fan, Ruopeng Gao, Shuyao Shang, Tieniu Tan, Xu Chen, Yuqi Wang, Zhaoxiang Zhang

arxiv:2607.28624 v1 · 2026-07-30 · 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{HHDQLKYJ4BE4AZAP4THCXO6UTY}

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	2026-07-31T01:39:08.385471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

39c705ab09e049c0640fe4ce2bbbd49e3d8987afae052a64b683d985b1303693

Aliases

arxiv: 2607.28624 · arxiv_version: 2607.28624v1 · doi: 10.48550/arxiv.2607.28624 · pith_short_12: HHDQLKYJ4BE4 · pith_short_16: HHDQLKYJ4BE4AZAP · pith_short_8: HHDQLKYJ

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/HHDQLKYJ4BE4AZAP4THCXO6UTY \
  | 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: 39c705ab09e049c0640fe4ce2bbbd49e3d8987afae052a64b683d985b1303693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0cba091ff72d7b0453f3e3a9f2dd2feff60ddfb22d4f43588dbf590f9e752b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-30T17:59:46Z",
    "title_canon_sha256": "3a45e1127bcb05d495e28152728a04012eaf3b5e6096ef0e0eb78fa56e6a7c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28624",
    "kind": "arxiv",
    "version": 1
  }
}