Pith Number

pith:PAH6IUFH

pith:2024:PAH6IUFHUUUSIOD3LD32ID6S4P

not attested not anchored not stored refs pending

Pfeed: Generating near real-time personalized feeds using precomputed embedding similarities

Binyam Gebre, Ernst Kuiper, Karoliina Ranta, Stef van den Elzen, Thijs Baars, Tom Heskes

arxiv:2402.16073 v2 · 2024-02-25 · cs.IR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PAH6IUFHUUUSIOD3LD32ID6S4P}

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	2026-07-05T07:52:44.681425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780fe450a7a52924387b58f7a40fd2e3f537df7b0c1971285374bd21f4594c3e

Aliases

arxiv: 2402.16073 · arxiv_version: 2402.16073v2 · doi: 10.48550/arxiv.2402.16073 · pith_short_12: PAH6IUFHUUUS · pith_short_16: PAH6IUFHUUUSIOD3 · pith_short_8: PAH6IUFH

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/PAH6IUFHUUUSIOD3LD32ID6S4P \
  | 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: 780fe450a7a52924387b58f7a40fd2e3f537df7b0c1971285374bd21f4594c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "445b2b5148aa49efaf489a0c8e62d584b6fc7e225319f5e3eb8f1a5e7ec57bd6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-02-25T12:06:33Z",
    "title_canon_sha256": "c5684415b4b1576252fe77d5a81e9608741b0520fefff13d7895cda53b89a92c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.16073",
    "kind": "arxiv",
    "version": 2
  }
}