Pith Number

pith:U7PXWRDM

pith:2019:U7PXWRDMFKT3ETVDBPWA2KQ7XD

not attested not anchored not stored refs pending

Diving Deeper into Underwater Image Enhancement: A Survey

Chongyi Li, Saeed Anwar

arxiv:1907.07863 v1 · 2019-07-17 · cs.CV · cs.LG · 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{U7PXWRDMFKT3ETVDBPWA2KQ7XD}

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	2026-05-17T23:40:15.907868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7df7b446c2aa7b24ea30bec0d2a1fb8e718fdef2e9b4605f326546935a546fe

Aliases

arxiv: 1907.07863 · arxiv_version: 1907.07863v1 · doi: 10.48550/arxiv.1907.07863 · pith_short_12: U7PXWRDMFKT3 · pith_short_16: U7PXWRDMFKT3ETVD · pith_short_8: U7PXWRDM

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/U7PXWRDMFKT3ETVDBPWA2KQ7XD \
  | 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: a7df7b446c2aa7b24ea30bec0d2a1fb8e718fdef2e9b4605f326546935a546fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6779b0a4e6cace8862a6521615bfcad74fdc8072bba00bab444d3cfee27ca884",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-17T06:45:25Z",
    "title_canon_sha256": "cce5a8c65fe480f66df9230397223c28750d111b6605f0bc535d162737bd5a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07863",
    "kind": "arxiv",
    "version": 1
  }
}