Pith Number

pith:NROJVOES

pith:2015:NROJVOESMQVGX7TSUJH66Y5MRZ

not attested not anchored not stored refs pending

Towards Understanding User Preferences from User Tagging Behavior for Personalization

Amandianeze O. Nwana, Tshuan Chen

arxiv:1507.05150 v2 · 2015-07-18 · cs.MM · cs.HC · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NROJVOESMQVGX7TSUJH66Y5MRZ}

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	2026-05-18T01:17:00.593000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5c9ab892642a6bfe72a24fef63ac8e4087fc0955fe04c1025153810b0d933d

Aliases

arxiv: 1507.05150 · arxiv_version: 1507.05150v2 · doi: 10.48550/arxiv.1507.05150 · pith_short_12: NROJVOESMQVG · pith_short_16: NROJVOESMQVGX7TS · pith_short_8: NROJVOES

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/NROJVOESMQVGX7TSUJH66Y5MRZ \
  | 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: 6c5c9ab892642a6bfe72a24fef63ac8e4087fc0955fe04c1025153810b0d933d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c3460dc7bb63fef8abad727c3bede041004c4138f34a5cb0c376b2dbcc92222",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2015-07-18T05:55:37Z",
    "title_canon_sha256": "96d99ae5bf42afd215590808e40d129886ee115ce8009c2e5ca35c3871f7087a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05150",
    "kind": "arxiv",
    "version": 2
  }
}