Pith Number

pith:ZW4L5ATX

pith:2026:ZW4L5ATXAHOXRTSE7XIV7M46NN

not attested not anchored not stored refs pending

FFAvatar: Feed-Forward 4D Head Avatar Reconstruction from Sparse Portrait Images

Jianjiang Yao, Ke Xian, Renxiang Dai, Robert Caiming Qiu

arxiv:2606.30347 v1 · 2026-06-29 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZW4L5ATXAHOXRTSE7XIV7M46NN}

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	2026-06-30T02:18:11.337930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb8be827701dd78ce44fdd15fb39e6b71668a32255324c5387feadd709285a9

Aliases

arxiv: 2606.30347 · arxiv_version: 2606.30347v1 · doi: 10.48550/arxiv.2606.30347 · pith_short_12: ZW4L5ATXAHOX · pith_short_16: ZW4L5ATXAHOXRTSE · pith_short_8: ZW4L5ATX

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/ZW4L5ATXAHOXRTSE7XIV7M46NN \
  | 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: cdb8be827701dd78ce44fdd15fb39e6b71668a32255324c5387feadd709285a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc3e1171b74812d526c242e85923a148b1ed2aa688991ffaa1d9cbfe0083f7d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-29T14:21:33Z",
    "title_canon_sha256": "c3ab166619d10416e33b9a1f47fdfa53b542d88436d59e5b6d6e0bc548ef59b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30347",
    "kind": "arxiv",
    "version": 1
  }
}