Pith Number

pith:66IAR2GX

pith:2019:66IAR2GXYMLFFSUSJHGA3QD6GF

not attested not anchored not stored refs pending

Collaborating with Users in Proximity for Decentralized Mobile Recommender Systems

Felix Beierle, Tobias Eichinger

arxiv:1906.03114 v1 · 2019-06-07 · cs.IR · 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{66IAR2GXYMLFFSUSJHGA3QD6GF}

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	2026-05-17T23:43:54.949058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79008e8d7c31652ca9249cc0dc07e31742527b834ef30c264dcac0bb7dd1038

Aliases

arxiv: 1906.03114 · arxiv_version: 1906.03114v1 · doi: 10.48550/arxiv.1906.03114 · pith_short_12: 66IAR2GXYMLF · pith_short_16: 66IAR2GXYMLFFSUS · pith_short_8: 66IAR2GX

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/66IAR2GXYMLFFSUSJHGA3QD6GF \
  | 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: f79008e8d7c31652ca9249cc0dc07e31742527b834ef30c264dcac0bb7dd1038

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66834b454b5ec77e1c0f8c4e1dfb34ab4ee34fe975150e24570bcb657dfbb05e",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-07T14:07:55Z",
    "title_canon_sha256": "f56dd3cef704e51f3717db887854d3af093cff6e9a7a49ae6baa0f4598f78ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03114",
    "kind": "arxiv",
    "version": 1
  }
}