Pith Number

pith:SY6IBORW

pith:2026:SY6IBORW4XMZK7KHUK5BMV6LXA

not attested not anchored not stored refs pending

HeadCast: Casting Attention Heads for Efficient Autoregressive Video Generation

Chengru Song, Jinliang Shen, Kang He, Lianghao Su, Yanbing Jiang, Zheming Li, Ziliang Lai

arxiv:2607.20125 v1 · 2026-07-22 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SY6IBORW4XMZK7KHUK5BMV6LXA}

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	2026-07-23T01:25:02.745381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963c80ba36e5d9957d47a2ba1657cbb80f3e6fab02ac6cb8ab393fe5ce8110bc

Aliases

arxiv: 2607.20125 · arxiv_version: 2607.20125v1 · doi: 10.48550/arxiv.2607.20125 · pith_short_12: SY6IBORW4XMZ · pith_short_16: SY6IBORW4XMZK7KH · pith_short_8: SY6IBORW

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/SY6IBORW4XMZK7KHUK5BMV6LXA \
  | 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: 963c80ba36e5d9957d47a2ba1657cbb80f3e6fab02ac6cb8ab393fe5ce8110bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb39d530de953e08203476d3ddff15a19f04af196475862420eb2d65552f5383",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-22T13:29:35Z",
    "title_canon_sha256": "ae0235f0da9b77d33cf61fead9c3f289a22b5ea0703b73127457fff97cf142d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20125",
    "kind": "arxiv",
    "version": 1
  }
}