Pith Number

pith:V3T4YEYY

pith:2026:V3T4YEYY7QLA4LTMTMO3XO6JGD

not attested not anchored not stored refs pending

IGGT4D: Streaming 4D Instance-Grounded Geometry Transformer

Dingwen Zhang, Fangzhou Hong, Hao Li, Kuixuan Jiao, Liu Liu, Tingyang Xiao, Xiaolin Zhou, Zhengyu Zou, Zhizhong Su, Ziwei Liu

arxiv:2607.19228 v1 · 2026-07-21 · 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{V3T4YEYY7QLA4LTMTMO3XO6JGD}

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	2026-07-22T01:24:15.423964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aee7cc1318fc160e2e6c9b1dbbbbc930ccabdb50e477378f20d13504cfb1280b

Aliases

arxiv: 2607.19228 · arxiv_version: 2607.19228v1 · doi: 10.48550/arxiv.2607.19228 · pith_short_12: V3T4YEYY7QLA · pith_short_16: V3T4YEYY7QLA4LTM · pith_short_8: V3T4YEYY

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/V3T4YEYY7QLA4LTMTMO3XO6JGD \
  | 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: aee7cc1318fc160e2e6c9b1dbbbbc930ccabdb50e477378f20d13504cfb1280b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64de2d957ed3efa6004d5bae8e7dd7ff9a614b488df2a74eb64830ce6169e28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-21T16:00:01Z",
    "title_canon_sha256": "f2a9114646915d2fc70e3711f0f628974a972275978ba6afb847aefbc8079052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19228",
    "kind": "arxiv",
    "version": 1
  }
}