Pith Number

pith:2Q7RJKX5

pith:2020:2Q7RJKX54LW3ZL2FEDORVVSZ2N

not attested not anchored not stored refs pending

Semantic Segmentation of Underwater Imagery: Dataset and Benchmark

Chelsey Edge, Christopher Morse, Junaed Sattar, Md Jahidul Islam, Muntaqim Mehtaz, Peigen Luo, Sadman Sakib Enan, Yuyang Xiao

arxiv:2004.01241 v3 · 2020-04-02 · 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{2Q7RJKX54LW3ZL2FEDORVVSZ2N}

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	2026-07-05T01:34:52.911364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d43f14aafde2edbcaf4520dd1ad659d36e46a8e85e250c6fe0d7e5c183ba1f63

Aliases

arxiv: 2004.01241 · arxiv_version: 2004.01241v3 · doi: 10.48550/arxiv.2004.01241 · pith_short_12: 2Q7RJKX54LW3 · pith_short_16: 2Q7RJKX54LW3ZL2F · pith_short_8: 2Q7RJKX5

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/2Q7RJKX54LW3ZL2FEDORVVSZ2N \
  | 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: d43f14aafde2edbcaf4520dd1ad659d36e46a8e85e250c6fe0d7e5c183ba1f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066d181da5a359b715f3eb8a26a81e6c8746f594ccaeffc45416519eaaac904f",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-02T19:53:14Z",
    "title_canon_sha256": "eb290729b0850675476d0e45c2c36d3a2d43a2a0a6830053435a9644e15a166a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01241",
    "kind": "arxiv",
    "version": 3
  }
}