Pith Number

pith:EESDDKCT

pith:2019:EESDDKCTM6YFV5AYPY3VBKHZVH

not attested not anchored not stored refs pending

City-level Geolocation of Tweets for Real-time Visual Analytics

David S. Ebert, Luke S. Snyder, Morteza Karimzadeh, Ray Chen

arxiv:1910.02213 v1 · 2019-10-05 · cs.SI · 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{EESDDKCTM6YFV5AYPY3VBKHZVH}

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	2026-07-05T00:10:06.170066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

212431a85367b05af4187e3750a8f9a9e5ed42b002d19d04334262040230c003

Aliases

arxiv: 1910.02213 · arxiv_version: 1910.02213v1 · doi: 10.48550/arxiv.1910.02213 · pith_short_12: EESDDKCTM6YF · pith_short_16: EESDDKCTM6YFV5AY · pith_short_8: EESDDKCT

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/EESDDKCTM6YFV5AYPY3VBKHZVH \
  | 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: 212431a85367b05af4187e3750a8f9a9e5ed42b002d19d04334262040230c003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5597ef7c68b54ecbda9ee1ef18089c25a8c0e05c919c70e7504f55f5b94b349",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-10-05T05:34:40Z",
    "title_canon_sha256": "5509b43b9c004bc1a42bc438bb5e787adb520844d8661acfc0ee980656700486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02213",
    "kind": "arxiv",
    "version": 1
  }
}