Pith Number

pith:E4HWCE4I

pith:2016:E4HWCE4INVPOZMG4G7PS6CISW2

not attested not anchored not stored refs pending

A Survey of Point-of-interest Recommendation in Location-based Social Networks

Irwin King, Michael R. Lyu, Shenglin Zhao

arxiv:1607.00647 v1 · 2016-07-03 · 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{E4HWCE4INVPOZMG4G7PS6CISW2}

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	2026-05-18T01:11:34.550851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

270f6113886d5eecb0dc37df2f0912b688abcbfb3b071c50de0c150dcbda7019

Aliases

arxiv: 1607.00647 · arxiv_version: 1607.00647v1 · doi: 10.48550/arxiv.1607.00647 · pith_short_12: E4HWCE4INVPO · pith_short_16: E4HWCE4INVPOZMG4 · pith_short_8: E4HWCE4I

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/E4HWCE4INVPOZMG4G7PS6CISW2 \
  | 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: 270f6113886d5eecb0dc37df2f0912b688abcbfb3b071c50de0c150dcbda7019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9cbebb144dbae8dc6e08b94ce76556090a3cc8dea05224509cb2012050526ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-07-03T14:42:18Z",
    "title_canon_sha256": "3057cccca46a34131e8d2f9bcbffc6196c5df7fd3f2182ad84910ca374f9b038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00647",
    "kind": "arxiv",
    "version": 1
  }
}