Pith Number

pith:M4HGI2HP

pith:2017:M4HGI2HPQAWVMVDNZ5OXYVV5ZI

not attested not anchored not stored refs pending

FSITM: A Feature Similarity Index For Tone-Mapped Images

Atena Shahkolaei, Hossein Ziaei Nafchi, Mohamed Cheriet, Reza Farrahi Moghaddam

arxiv:1704.05624 v1 · 2017-04-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4HGI2HPQAWVMVDNZ5OXYVV5ZI}

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	2026-05-18T00:46:06.980870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

670e6468ef802d56546dcf5d7c56bdca3cdf68775c4ee7d151d54bfa5a9700f4

Aliases

arxiv: 1704.05624 · arxiv_version: 1704.05624v1 · doi: 10.48550/arxiv.1704.05624 · pith_short_12: M4HGI2HPQAWV · pith_short_16: M4HGI2HPQAWVMVDN · pith_short_8: M4HGI2HP

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/M4HGI2HPQAWVMVDNZ5OXYVV5ZI \
  | 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: 670e6468ef802d56546dcf5d7c56bdca3cdf68775c4ee7d151d54bfa5a9700f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ce86b6a24402180c4f652bd0dc59b2d964f3c6b7e08d049662834c927cebe8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-19T06:23:21Z",
    "title_canon_sha256": "1e0a5c9b6403619fcdf85b8f8acab0eab10439545407c8a3483b7731c0aac492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05624",
    "kind": "arxiv",
    "version": 1
  }
}