Pith Number

pith:UDJLH23D

pith:2020:UDJLH23DZQU4SJBNTB5AIIFYNT

not attested not anchored not stored refs pending

Gender prediction using limited Twitter Data

Maaike Burghoorn, Maaike H.T. de Boer, Stephan Raaijmakers

arxiv:2010.02005 v1 · 2020-09-29 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDJLH23DZQU4SJBNTB5AIIFYNT}

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	2026-07-05T01:40:11.478194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d2b3eb63cc29c9242d987a0420b86cd723f443e216f92100171334a4fae99a

Aliases

arxiv: 2010.02005 · arxiv_version: 2010.02005v1 · doi: 10.48550/arxiv.2010.02005 · pith_short_12: UDJLH23DZQU4 · pith_short_16: UDJLH23DZQU4SJBN · pith_short_8: UDJLH23D

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/UDJLH23DZQU4SJBNTB5AIIFYNT \
  | 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: a0d2b3eb63cc29c9242d987a0420b86cd723f443e216f92100171334a4fae99a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13f74f051e08a711e99b05b3a1c7021b6fb3622e24d52441ec72c042ff4d6b4f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-09-29T11:46:07Z",
    "title_canon_sha256": "e2d289671749d229d60550678d420f854c12197fc3bcf7764166fa90daef82cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.02005",
    "kind": "arxiv",
    "version": 1
  }
}