Pith Number

pith:I3IG5AXP

pith:2012:I3IG5AXPDATNYTHZ5ZGJWPUNJG

not attested not anchored not stored refs pending

A Personalized Tag-Based Recommendation in Social Web Systems

Frederico Durao, Peter Dolog

arxiv:1203.0332 v1 · 2012-03-01 · cs.SI · 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{I3IG5AXPDATNYTHZ5ZGJWPUNJG}

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	2026-05-18T04:01:01.186310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46d06e82ef1826dc4cf9ee4c9b3e8d49b3b6f951652ba79119fef3929cba5d0c

Aliases

arxiv: 1203.0332 · arxiv_version: 1203.0332v1 · doi: 10.48550/arxiv.1203.0332 · pith_short_12: I3IG5AXPDATN · pith_short_16: I3IG5AXPDATNYTHZ · pith_short_8: I3IG5AXP

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/I3IG5AXPDATNYTHZ5ZGJWPUNJG \
  | 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: 46d06e82ef1826dc4cf9ee4c9b3e8d49b3b6f951652ba79119fef3929cba5d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58c079b6d270864caee89916ec23684b30acc3432af021919bdc2095ec20e3b",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-03-01T22:11:22Z",
    "title_canon_sha256": "b522ab92225c54722ffe077c280de5a0eaabd73218a9c7f77065b8a634e8ad13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0332",
    "kind": "arxiv",
    "version": 1
  }
}