Pith Number

pith:B4BKXC7D

pith:2025:B4BKXC7DAJ3XK2BH2NIC3CBWZ2

not attested not anchored not stored refs pending

IM-Portrait: Learning 3D-aware Video Diffusion for Photorealistic Talking Heads from Monocular Videos

Feitong Tan, Sean Fanello, Yinda Zhang, Yuan Li, Zhaopeng Cui, Ziqian Bai

arxiv:2504.19165 v2 · 2025-04-27 · 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{B4BKXC7DAJ3XK2BH2NIC3CBWZ2}

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	2026-07-05T10:55:35.460307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f02ab8be30277756827d3502d8836ceaebcf934e353de78f90d532cefc9d864

Aliases

arxiv: 2504.19165 · arxiv_version: 2504.19165v2 · doi: 10.48550/arxiv.2504.19165 · pith_short_12: B4BKXC7DAJ3X · pith_short_16: B4BKXC7DAJ3XK2BH · pith_short_8: B4BKXC7D

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/B4BKXC7DAJ3XK2BH2NIC3CBWZ2 \
  | 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: 0f02ab8be30277756827d3502d8836ceaebcf934e353de78f90d532cefc9d864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c56e3cb065241f537518d2828da30566c26fe3de9b61ff37a4f451e79523072",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-27T08:56:02Z",
    "title_canon_sha256": "fb0762cf18f15cd48a0ce5957e6228cdac439fac8f1042040cdcd4dbf6190de7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19165",
    "kind": "arxiv",
    "version": 2
  }
}