pith. sign in
Pith Number

pith:YQ6RXYZL

pith:2019:YQ6RXYZLGKTVCKLRFE3V4EHGLF
not attested not anchored not stored refs pending

Online Social Media Recommendation over Streams

Dong Qin, Lei Chen, Xiangmin Zhou, Xiaolu Lu, Yanchun Zhang

arxiv:1901.01003 v1 · 2019-01-04 · cs.IR · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YQ6RXYZLGKTVCKLRFE3V4EHGLF}

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 2026-05-17T23:56:57.432873Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c43d1be32b32a751297129375e10e659743a6b038300bdfdd94468c0242b4d93

Aliases

arxiv: 1901.01003 · arxiv_version: 1901.01003v1 · doi: 10.48550/arxiv.1901.01003 · pith_short_12: YQ6RXYZLGKTV · pith_short_16: YQ6RXYZLGKTVCKLR · pith_short_8: YQ6RXYZL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YQ6RXYZLGKTVCKLRFE3V4EHGLF \
  | 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: c43d1be32b32a751297129375e10e659743a6b038300bdfdd94468c0242b4d93
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1a6e7c5b946ae8b0c5b624ecc5dd475677efe620c53c83c0507c0d9484c79b89",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-04T07:40:58Z",
    "title_canon_sha256": "969904432e26bd0afceb67e217ef56b50ca5293474ce4b374ad0e0c63dc7da9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01003",
    "kind": "arxiv",
    "version": 1
  }
}