Pith Number

pith:XQU2IHPK

pith:2015:XQU2IHPK3T4YKUKAI4PGTWCPNP

not attested not anchored not stored refs pending

Twitter User Geolocation Using a Unified Text and Network Prediction Model

Afshin Rahimi, Timothy Baldwin, Trevor Cohn

arxiv:1506.08259 v3 · 2015-06-27 · cs.CL · 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{XQU2IHPK3T4YKUKAI4PGTWCPNP}

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	2026-05-18T01:32:28.956527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc29a41deadcf9855140471e69d84f6bc92c32f3e99bd0d6e4ba10f0f75d165c

Aliases

arxiv: 1506.08259 · arxiv_version: 1506.08259v3 · doi: 10.48550/arxiv.1506.08259 · pith_short_12: XQU2IHPK3T4Y · pith_short_16: XQU2IHPK3T4YKUKA · pith_short_8: XQU2IHPK

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/XQU2IHPK3T4YKUKAI4PGTWCPNP \
  | 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: bc29a41deadcf9855140471e69d84f6bc92c32f3e99bd0d6e4ba10f0f75d165c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f452116ab7b8d058dc8ec69d6a954488883ad5bdf69bb08a02b5ec3ffa60c70e",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-06-27T04:51:18Z",
    "title_canon_sha256": "ab8bb4202e29a39262d31ac07e8209bc03970b94f1d264199347c8753191ef67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08259",
    "kind": "arxiv",
    "version": 3
  }
}