Pith Number

pith:ZFD2ZISG

pith:2019:ZFD2ZISGQK2DXUUAJRHLLFBEX2

not attested not anchored not stored refs pending

VASSL: A Visual Analytics Toolkit for Social Spambot Labeling

David S. Ebert, Jieqiong Zhao, Morteza Karimzadeh, Mosab Khayat

arxiv:1907.13319 v2 · 2019-07-31 · cs.HC · 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{ZFD2ZISGQK2DXUUAJRHLLFBEX2}

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	2026-07-05T00:10:15.358583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c947aca24682b43bd2804c4eb59424beb2d0484e14dd9c54cf2ac768ba8213f4

Aliases

arxiv: 1907.13319 · arxiv_version: 1907.13319v2 · doi: 10.48550/arxiv.1907.13319 · pith_short_12: ZFD2ZISGQK2D · pith_short_16: ZFD2ZISGQK2DXUUA · pith_short_8: ZFD2ZISG

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/ZFD2ZISGQK2DXUUAJRHLLFBEX2 \
  | 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: c947aca24682b43bd2804c4eb59424beb2d0484e14dd9c54cf2ac768ba8213f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc311e77a8b8ee5852cc6b5cf12f175fd7bf6d6fa9125cffba7d5266517e2c36",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-07-31T06:05:55Z",
    "title_canon_sha256": "158256e6a25c5a6d319195956378f1840e31d38bd5163e5f93e33fc4f8cbfe65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13319",
    "kind": "arxiv",
    "version": 2
  }
}