Pith Number

pith:FQ4A6B3M

pith:2019:FQ4A6B3MC6IT5TNNFDJDQ5KKBK

not attested not anchored not stored refs pending

Multitask Learning for Blackmarket Tweet Detection

Tanmoy Chakraborty, Udit Arora, William Scott Paka

arxiv:1907.04072 v1 · 2019-07-09 · cs.SI · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQ4A6B3MC6IT5TNNFDJDQ5KKBK}

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	2026-05-17T23:41:05.752759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c380f076c17913ecdad28d238754a0a85a8a0b28a58719675fd9709a804a1de

Aliases

arxiv: 1907.04072 · arxiv_version: 1907.04072v1 · doi: 10.48550/arxiv.1907.04072 · pith_short_12: FQ4A6B3MC6IT · pith_short_16: FQ4A6B3MC6IT5TNN · pith_short_8: FQ4A6B3M

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/FQ4A6B3MC6IT5TNNFDJDQ5KKBK \
  | 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: 2c380f076c17913ecdad28d238754a0a85a8a0b28a58719675fd9709a804a1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db40d4705a27fa66f2105e076f69b961f1fd007f3316e23d8e4a611537be6d61",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-07-09T10:42:33Z",
    "title_canon_sha256": "56c09688f80a02d0f0ddffb3a6add438e5c93422168b36ddcc2a40a74c73fdb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04072",
    "kind": "arxiv",
    "version": 1
  }
}