Pith Number

pith:UFH2BRMX

pith:2025:UFH2BRMXBWL6VSE2OVDPZCPHXH

not attested not anchored not stored refs pending

Fast3R: Towards 3D Reconstruction of 1000+ Images in One Forward Pass

Alexander Sax, Ang Cao, Franziska Meier, Hao Tang, Jianing Yang, Joyce Chai, Kevin J. Liang, Matt Feiszli, Mikael Henaff

arxiv:2501.13928 v2 · 2025-01-23 · cs.CV · cs.AI · cs.GR · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFH2BRMXBWL6VSE2OVDPZCPHXH}

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.

Cited by

19 papers in Pith

GEM-4D: Geometry-Enhanced Video World Models for Robot Manipulation

TriSplat: Simulation-Ready Feed-Forward 3D Scene Reconstruction

GEM-4D: Geometry-Enhanced Video World Models for Robot Manipulation

Geo-Align: Video Generation Alignment via Metric Geometry Reward

Bundle Adjustment in the Eager Mode

Receipt and verification

First computed	2026-07-05T10:35:44.810501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14fa0c5970d97eac89a7546fc89e7b9f47a688e6f8b51a256cce23285068277

Aliases

arxiv: 2501.13928 · arxiv_version: 2501.13928v2 · doi: 10.48550/arxiv.2501.13928 · pith_short_12: UFH2BRMXBWL6 · pith_short_16: UFH2BRMXBWL6VSE2 · pith_short_8: UFH2BRMX

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/UFH2BRMXBWL6VSE2OVDPZCPHXH \
  | 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: a14fa0c5970d97eac89a7546fc89e7b9f47a688e6f8b51a256cce23285068277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8a368414d54949bdc3756084130a1f7b9f6e92b3561fb0d8987de4c7e6058c6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.GR",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-23T18:59:55Z",
    "title_canon_sha256": "a0b95c021fe1663c27b2891cbc1207159d188552081e40f46d5d05eda43d3099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13928",
    "kind": "arxiv",
    "version": 2
  }
}