Pith Number

pith:A3RKLNQK

pith:2025:A3RKLNQKJI4F3DQUK6BBBLTYDU

not attested not anchored not stored refs pending

Point of Interest Recommendation: Pitfalls and Viable Solutions

Alejandro Bellog\'in, Francesco Ricci, Linus W. Dietz, Pablo S\'anchez

arxiv:2507.13725 v1 · 2025-07-18 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A3RKLNQKJI4F3DQUK6BBBLTYDU}

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	2026-05-28T01:04:29.243151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e2a5b60a4a385d8e14578210ae781d1223a9273e49c6808e3d3e08c97cc289

Aliases

arxiv: 2507.13725 · arxiv_version: 2507.13725v1 · doi: 10.48550/arxiv.2507.13725 · pith_short_12: A3RKLNQKJI4F · pith_short_16: A3RKLNQKJI4F3DQU · pith_short_8: A3RKLNQK

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/A3RKLNQKJI4F3DQUK6BBBLTYDU \
  | 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: 06e2a5b60a4a385d8e14578210ae781d1223a9273e49c6808e3d3e08c97cc289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0425a57cf9b1b65ebe5ee23fe3e029a0c6cb9b3f2f767ac212055bd9a41c521c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-18T08:10:09Z",
    "title_canon_sha256": "ccf3a41592c797d2a0cfce741e62095aea69191d20702a3d046a1656bcea9cbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13725",
    "kind": "arxiv",
    "version": 1
  }
}