Pith Number

pith:ZZTPPQDI

pith:2023:ZZTPPQDIVXEQPHZXKDGVTPBWNW

not attested not anchored not stored refs pending

F$^{2}$-NeRF: Fast Neural Radiance Field Training with Free Camera Trajectories

Christian Theobalt, Lingjie Liu, Peng Wang, Taku Komura, Wenping Wang, Yuan Liu, Zhaoxi Chen, Ziwei Liu

arxiv:2303.15951 v1 · 2023-03-28 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZTPPQDIVXEQPHZXKDGVTPBWNW}

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	2026-07-05T05:55:30.320985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce66f7c068adc9079f3750cd59bc366dac1464c0b9ed49595ad17d9886968386

Aliases

arxiv: 2303.15951 · arxiv_version: 2303.15951v1 · doi: 10.48550/arxiv.2303.15951 · pith_short_12: ZZTPPQDIVXEQ · pith_short_16: ZZTPPQDIVXEQPHZX · pith_short_8: ZZTPPQDI

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/ZZTPPQDIVXEQPHZXKDGVTPBWNW \
  | 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: ce66f7c068adc9079f3750cd59bc366dac1464c0b9ed49595ad17d9886968386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74f5b171d4c45c504f376c61c7a22d641d2132bf8f7afdb5dd4801520164d0c2",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-28T13:09:44Z",
    "title_canon_sha256": "70e694be7260cea0406ef9bc1a10fc3fc35108c4756914e3cbb3f9cbe5857deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.15951",
    "kind": "arxiv",
    "version": 1
  }
}