Pith Number

pith:QRPIVTWE

pith:2019:QRPIVTWEZONVHZH3Y7JDWAZFVI

not attested not anchored not stored refs pending

Discovering patterns of online popularity from time series

Andr\'es Abeliuk, Anna Sapienza, Emilio Ferrara, Goran Muric, Mert Ozer

arxiv:1904.04994 v1 · 2019-04-10 · cs.LG · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRPIVTWEZONVHZH3Y7JDWAZFVI}

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	2026-05-17T23:48:54.478179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845e8acec4cb9b53e4fbc7d23b0325aa0388d2ed7840b8068360369430e6ba8a

Aliases

arxiv: 1904.04994 · arxiv_version: 1904.04994v1 · doi: 10.48550/arxiv.1904.04994 · pith_short_12: QRPIVTWEZONV · pith_short_16: QRPIVTWEZONVHZH3 · pith_short_8: QRPIVTWE

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/QRPIVTWEZONVHZH3Y7JDWAZFVI \
  | 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: 845e8acec4cb9b53e4fbc7d23b0325aa0388d2ed7840b8068360369430e6ba8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "042d6456e6cb06cd3fc40f6b5fd9f155003b7ebc66345c7abcd761f9d5d2fdc9",
    "cross_cats_sorted": [
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-10T03:47:49Z",
    "title_canon_sha256": "567b95cf63c1e4dd9d759215b05ab97e0c5d34ec167a0f3e3ee8123c68b40f9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04994",
    "kind": "arxiv",
    "version": 1
  }
}