Pith Number

pith:NHWPIHEH

pith:2025:NHWPIHEH3E3IFW4X2E7ZGNH3NX

not attested not anchored not stored refs pending

Dynamic hashtag recommendation in social media with trend shift detection and adaptation

Alessio Orsino, Domenico Talia, Fabrizio Marozzo, Paolo Trunfio, Riccardo Cantini

arxiv:2504.00044 v2 · 2025-03-30 · cs.SI · cs.CL · cs.DC · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHWPIHEH3E3IFW4X2E7ZGNH3NX}

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	2026-07-05T10:52:58.781787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ecf41c87d93682db97d13f9334fb6df4f845663ed3ab2aa6f1099363950192

Aliases

arxiv: 2504.00044 · arxiv_version: 2504.00044v2 · doi: 10.48550/arxiv.2504.00044 · pith_short_12: NHWPIHEH3E3I · pith_short_16: NHWPIHEH3E3IFW4X · pith_short_8: NHWPIHEH

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/NHWPIHEH3E3IFW4X2E7ZGNH3NX \
  | 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: 69ecf41c87d93682db97d13f9334fb6df4f845663ed3ab2aa6f1099363950192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc72c4ceedb5274c2d9a2ee98fd1fb4c84002f80a1eaaaf5bca06eea46b3c1e",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DC",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-03-30T22:04:14Z",
    "title_canon_sha256": "3f17e9f42189205ab8b68ab1629a52e160dfaea6c20bd28b6fa1912f09c71112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.00044",
    "kind": "arxiv",
    "version": 2
  }
}