Pith Number

pith:V4LONQDY

pith:2017:V4LONQDYHKJPRJQFPHLVAMVGP3

not attested not anchored not stored refs pending

Automatic Image Filtering on Social Networks Using Deep Learning and Perceptual Hashing During Crises

Dat Tien Nguyen, Ferda Ofli, Firoj Alam, Muhammad Imran

arxiv:1704.02602 v1 · 2017-04-09 · cs.CY · cs.CV · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4LONQDYHKJPRJQFPHLVAMVGP3}

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	2026-05-18T00:46:44.993396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af16e6c0783a92f8a60579d75032a67eee6ed7e717d79d756881c0330903d94d

Aliases

arxiv: 1704.02602 · arxiv_version: 1704.02602v1 · doi: 10.48550/arxiv.1704.02602 · pith_short_12: V4LONQDYHKJP · pith_short_16: V4LONQDYHKJPRJQF · pith_short_8: V4LONQDY

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/V4LONQDYHKJPRJQFPHLVAMVGP3 \
  | 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: af16e6c0783a92f8a60579d75032a67eee6ed7e717d79d756881c0330903d94d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a2dcb976c7e3ea3111898140d1f9963f562ee33ad633966c6d9769f1481b422",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-04-09T13:34:27Z",
    "title_canon_sha256": "c503bd52e945b0e15b9781dbe675e739bd558c5c926192a6102296b36bc64278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02602",
    "kind": "arxiv",
    "version": 1
  }
}