Pith Number

pith:FPCJW6ED

pith:2018:FPCJW6EDWG3LL7Z5AOD6OAC3R6

not attested not anchored not stored refs pending

Up-conversion imaging processing with field-of-view and edge enhancement

Bao-Sen Shi, Chen Yang, Guang-Can Guo, Shi-Kai Liu, Shi-Long Liu, Yan Li, Yin-Hai Li, Zhao-Huai Xu, Zhi-Yuan Zhou

arxiv:1810.03408 v1 · 2018-10-08 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPCJW6EDWG3LL7Z5AOD6OAC3R6}

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	2026-05-17T23:49:03.264571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc49b7883b1b6b5ff3d0387e7005b8f9729fd12eb33047a9348c767e03119b4

Aliases

arxiv: 1810.03408 · arxiv_version: 1810.03408v1 · doi: 10.48550/arxiv.1810.03408 · pith_short_12: FPCJW6EDWG3L · pith_short_16: FPCJW6EDWG3LL7Z5 · pith_short_8: FPCJW6ED

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/FPCJW6EDWG3LL7Z5AOD6OAC3R6 \
  | 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: 2bc49b7883b1b6b5ff3d0387e7005b8f9729fd12eb33047a9348c767e03119b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff6c18401178d7af207e430fbff239713295e75514960aaab1bda43ab384e78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-10-08T12:43:12Z",
    "title_canon_sha256": "0be38b6fda28618c3ae49b265b976fc551301b68d657fc84349c0d44bb9be21d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03408",
    "kind": "arxiv",
    "version": 1
  }
}