Pith Number

pith:ZY7J4H3H

pith:2018:ZY7J4H3HDTYBAIGQHBEQIRMIG7

not attested not anchored not stored refs pending

Personalized Context-Aware Point of Interest Recommendation

Fabio Crestani, Mohammad Aliannejadi

arxiv:1806.05736 v1 · 2018-06-14 · 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{ZY7J4H3HDTYBAIGQHBEQIRMIG7}

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	2026-05-18T00:13:09.593759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3e9e1f671cf01020d0384904458837d50300d34acd4fd628a3a01fbb20276c

Aliases

arxiv: 1806.05736 · arxiv_version: 1806.05736v1 · doi: 10.48550/arxiv.1806.05736 · pith_short_12: ZY7J4H3HDTYB · pith_short_16: ZY7J4H3HDTYBAIGQ · pith_short_8: ZY7J4H3H

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/ZY7J4H3HDTYBAIGQHBEQIRMIG7 \
  | 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: ce3e9e1f671cf01020d0384904458837d50300d34acd4fd628a3a01fbb20276c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13092ef65a4694438d43eb0e805bbc88a7885db67b7b84558292685aa9433a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-06-14T20:36:39Z",
    "title_canon_sha256": "e8591d66c8a91ff1065d6f2f59a4b57b4035f7a1bd5ac14200a6392bbbaa0b12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05736",
    "kind": "arxiv",
    "version": 1
  }
}