Pith Number

pith:PJQOMMJN

pith:2018:PJQOMMJNRVKGOIKCCGXLBJZYOS

not attested not anchored not stored refs pending

Characterizing the public perception of WhatsApp through the lens of media

Evandro Cunha, Gabriel Magno, Humberto T. Marques-Neto, Josemar Alves Caetano, Virgilio Almeida, Wagner Meira Jr.

arxiv:1808.05927 v1 · 2018-08-17 · cs.SI · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJQOMMJNRVKGOIKCCGXLBJZYOS}

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	2026-05-18T00:07:51.619831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a60e6312d8d5467214211aeb0a73874b7baaf37d12c26824a1e708b70c823c2

Aliases

arxiv: 1808.05927 · arxiv_version: 1808.05927v1 · doi: 10.48550/arxiv.1808.05927 · pith_short_12: PJQOMMJNRVKG · pith_short_16: PJQOMMJNRVKGOIKC · pith_short_8: PJQOMMJN

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/PJQOMMJNRVKGOIKCCGXLBJZYOS \
  | 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: 7a60e6312d8d5467214211aeb0a73874b7baaf37d12c26824a1e708b70c823c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e297a3e2d5d1f3add171915c596982fad73a7bc5dbe3f89cb47f1aaf4b1638",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-08-17T16:47:52Z",
    "title_canon_sha256": "f2588ebf04a841300a6e110c57c01e1dc71c7ebef871e020fbf478dfbd9c7663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05927",
    "kind": "arxiv",
    "version": 1
  }
}