pith. sign in
Pith Number

pith:HHFJRBXF

pith:2014:HHFJRBXFPR6G6RFPINN64JPR2S
not attested not anchored not stored refs pending

Lexical Normalisation of Twitter Data

Bilal Ahmed

arxiv:1409.4614 v4 · 2014-09-16 · cs.CL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HHFJRBXFPR6G6RFPINN64JPR2S}

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 2026-05-18T01:32:37.733897Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

39ca9886e57c7c6f44af435bee25f1d483fcd3d3c3363977a74878bda4d8ec80

Aliases

arxiv: 1409.4614 · arxiv_version: 1409.4614v4 · doi: 10.48550/arxiv.1409.4614 · pith_short_12: HHFJRBXFPR6G · pith_short_16: HHFJRBXFPR6G6RFP · pith_short_8: HHFJRBXF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HHFJRBXFPR6G6RFPINN64JPR2S \
  | 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: 39ca9886e57c7c6f44af435bee25f1d483fcd3d3c3363977a74878bda4d8ec80
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "76ce06879d1a14764535610b56fccf6512146dfd6835b97547be4f5fe24732b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-09-16T12:59:07Z",
    "title_canon_sha256": "d6f429ff605b1f72bd5a6f4b9be2edddb84d5aeac0cb2639b000c231adc80728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4614",
    "kind": "arxiv",
    "version": 4
  }
}