Pith Number

pith:AQR6WOY4

pith:2015:AQR6WOY4PMUQWQGGR2DMXDDPEA

not attested not anchored not stored refs pending

Autodetection and Classification of Hidden Cultural City Districts from Yelp Reviews

Harini Suresh, Nicholas Locascio

arxiv:1501.02527 v1 · 2015-01-12 · cs.CL · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQR6WOY4PMUQWQGGR2DMXDDPEA}

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	2026-05-18T02:29:37.765148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0423eb3b1c7b290b40c68e86cb8c6f202d760ac18ba9cb638311425c23139ac2

Aliases

arxiv: 1501.02527 · arxiv_version: 1501.02527v1 · doi: 10.48550/arxiv.1501.02527 · pith_short_12: AQR6WOY4PMUQ · pith_short_16: AQR6WOY4PMUQWQGG · pith_short_8: AQR6WOY4

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/AQR6WOY4PMUQWQGGR2DMXDDPEA \
  | 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: 0423eb3b1c7b290b40c68e86cb8c6f202d760ac18ba9cb638311425c23139ac2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb3298bba112f2f7018ebca6b8b7d1a6e34d56392469fdf02e348cef90d032c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-01-12T03:10:01Z",
    "title_canon_sha256": "3768e92e0cc57b1cd091e959053e6bf2157c0aa4e2f318ccabe569a0951b68ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02527",
    "kind": "arxiv",
    "version": 1
  }
}