Pith Number

pith:KFTKFM23

pith:2013:KFTKFM23Z56QMIIRB7Z6BY6FJA

not attested not anchored not stored refs pending

Evolution of the user's content: An Overview of the state of the art

Djallel Bouneffouf

arxiv:1305.1787 v1 · 2013-05-08 · 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{KFTKFM23Z56QMIIRB7Z6BY6FJA}

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	2026-05-18T03:26:11.192655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5166a2b35bcf7d0621110ff3e0e3c5480ef1b3ff297be96afdae4305468daa38

Aliases

arxiv: 1305.1787 · arxiv_version: 1305.1787v1 · doi: 10.48550/arxiv.1305.1787 · pith_short_12: KFTKFM23Z56Q · pith_short_16: KFTKFM23Z56QMIIR · pith_short_8: KFTKFM23

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/KFTKFM23Z56QMIIRB7Z6BY6FJA \
  | 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: 5166a2b35bcf7d0621110ff3e0e3c5480ef1b3ff297be96afdae4305468daa38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f140faa01225a4b37707cd6ef373b8426f06988b033482d4fb17dcadf25c2017",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-05-08T11:52:39Z",
    "title_canon_sha256": "65fd4d76f753467d7483b4d3b203da005efd87c3c46255be2f47629dd3ca1959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1787",
    "kind": "arxiv",
    "version": 1
  }
}