Pith Number

pith:ZE4NNDFN

pith:2020:ZE4NNDFNICZX74L4TAKWT3J2VJ

not attested not anchored not stored refs pending

Mobile social media usage and academic performance

Elisa Gobbi, Enrico Bignotti, Fausto Giunchiglia, Ivano Bison, Mattia Zeni

arxiv:2004.01392 v1 · 2020-04-03 · 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{ZE4NNDFNICZX74L4TAKWT3J2VJ}

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	2026-07-05T01:13:44.373066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c938d68cad40b37ff17c981569ed3aaa5adbb50d6344eabcf296d36a1af823dc

Aliases

arxiv: 2004.01392 · arxiv_version: 2004.01392v1 · doi: 10.48550/arxiv.2004.01392 · pith_short_12: ZE4NNDFNICZX · pith_short_16: ZE4NNDFNICZX74L4 · pith_short_8: ZE4NNDFN

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/ZE4NNDFNICZX74L4TAKWT3J2VJ \
  | 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: c938d68cad40b37ff17c981569ed3aaa5adbb50d6344eabcf296d36a1af823dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a57ee3ca5cf9ec549811571d5639ee9edeac8d5a3d0d480d342db1d2e5ab6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-04-03T06:14:36Z",
    "title_canon_sha256": "ce1c60edc872c90786e7e9d7f5a17ff91749141b3aab5da7cd29b2f41104fe44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01392",
    "kind": "arxiv",
    "version": 1
  }
}