Pith Number

pith:QBTDEBPX

pith:2021:QBTDEBPX7F73UJQSVOW2WWTPY7

not attested not anchored not stored refs pending

iToF2dToF: A Robust and Flexible Representation for Data-Driven Time-of-Flight Imaging

Andreas Velten, Felipe Gutierrez-Barragan, Huaijin Chen, Jinwei Gu, Mohit Gupta

arxiv:2103.07087 v3 · 2021-03-12 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBTDEBPX7F73UJQSVOW2WWTPY7}

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	2026-07-05T03:42:40.607851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80663205f7f97fba2612abadab5a6fc7dfaea18d2475df14746dcf308e7b1e88

Aliases

arxiv: 2103.07087 · arxiv_version: 2103.07087v3 · doi: 10.48550/arxiv.2103.07087 · pith_short_12: QBTDEBPX7F73 · pith_short_16: QBTDEBPX7F73UJQS · pith_short_8: QBTDEBPX

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/QBTDEBPX7F73UJQSVOW2WWTPY7 \
  | 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: 80663205f7f97fba2612abadab5a6fc7dfaea18d2475df14746dcf308e7b1e88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193538a17beb74b80e523667f236560f6d020a30a0478effed2f6204ff66fd43",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-12T04:57:52Z",
    "title_canon_sha256": "4dac89d9c13216c6f6741478e6bf4d28d202f70ce93c4d68177f280599525728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07087",
    "kind": "arxiv",
    "version": 3
  }
}