Pith Number

pith:3M77CVYK

pith:2014:3M77CVYKQGPTCDR5HL4ZUK335E

not attested not anchored not stored refs pending

Home Location Identification of Twitter Users

Clemens Drews, Jalal Mahmud, Jeffrey Nichols

arxiv:1403.2345 v1 · 2014-03-07 · cs.SI · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3M77CVYKQGPTCDR5HL4ZUK335E}

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.

Cited by

1 paper in Pith

Reddit's Globalization over Twenty Years: Inferring Community Time Zone from Activity Timestamps

Receipt and verification

First computed	2026-05-18T02:56:44.772655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db3ff1570a819f310e3d3af99a2b7be90b46e9ec201bf91ca74cf176ea945ecd

Aliases

arxiv: 1403.2345 · arxiv_version: 1403.2345v1 · doi: 10.48550/arxiv.1403.2345 · pith_short_12: 3M77CVYKQGPT · pith_short_16: 3M77CVYKQGPTCDR5 · pith_short_8: 3M77CVYK

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/3M77CVYKQGPTCDR5HL4ZUK335E \
  | 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: db3ff1570a819f310e3d3af99a2b7be90b46e9ec201bf91ca74cf176ea945ecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f59ae083ebdc44d157896d4b87b92baf20fe9634c465af470c1f9787884b11e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-03-07T05:29:42Z",
    "title_canon_sha256": "dfa8fcee4e044138dd21e036864f238e068af7da72464258171c3d4edf682d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2345",
    "kind": "arxiv",
    "version": 1
  }
}