Pith Number

pith:HT3H2LW6

pith:2019:HT3H2LW6VXDBMNHMQCFCWGTWIV

not attested not anchored not stored refs pending

Comparative Analysis of Content-based Personalized Microblog Recommendations [Experiments and Analysis]

Efi Karra Taniskidou, George Giannakopoulos, George Papadakis, Manolis Koubarakis

arxiv:1901.05497 v1 · 2019-01-16 · 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{HT3H2LW6VXDBMNHMQCFCWGTWIV}

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	2026-05-17T23:56:08.959404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cf67d2edeadc61634ec808a2b1a76454bb27ca332e32d0f0ab39d9d42a880a7

Aliases

arxiv: 1901.05497 · arxiv_version: 1901.05497v1 · doi: 10.48550/arxiv.1901.05497 · pith_short_12: HT3H2LW6VXDB · pith_short_16: HT3H2LW6VXDBMNHM · pith_short_8: HT3H2LW6

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/HT3H2LW6VXDBMNHMQCFCWGTWIV \
  | 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: 3cf67d2edeadc61634ec808a2b1a76454bb27ca332e32d0f0ab39d9d42a880a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1755aa6f733399a515b07c7f1ffd9b3d05e6b8ea7ac61ad53a747ffe06526832",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-16T19:14:59Z",
    "title_canon_sha256": "8020d994f86c7b52373747a6f5f7f02ea27123b17738c677f685282591f88881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05497",
    "kind": "arxiv",
    "version": 1
  }
}