Pith Number

pith:IRNRY65G

pith:2019:IRNRY65GYH6MQPY6EEKB5B2NMU

not attested not anchored not stored refs pending

Efficient Contour Computation of Group-based Skyline

Jian Pei, Jinfei Liu, Li Xiong, Wenhui Yu, Xu Chen, Zheng Qin

arxiv:1905.00700 v1 · 2019-05-02 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRNRY65GYH6MQPY6EEKB5B2NMU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:47:09.563734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

445b1c7ba6c1fcc83f1e21141e874d652950d9aa4ac996e366984ef97dfab9bf

Aliases

arxiv: 1905.00700 · arxiv_version: 1905.00700v1 · doi: 10.48550/arxiv.1905.00700 · pith_short_12: IRNRY65GYH6M · pith_short_16: IRNRY65GYH6MQPY6 · pith_short_8: IRNRY65G

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/IRNRY65GYH6MQPY6EEKB5B2NMU \
  | 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: 445b1c7ba6c1fcc83f1e21141e874d652950d9aa4ac996e366984ef97dfab9bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e3004aa49b81dca7f9a82d188169d2eff1891fdc1d01b957657fba412457d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-05-02T12:37:56Z",
    "title_canon_sha256": "0fa2aea60425546f2b12cf650991ebe6651429673489762b2632959e9eef010c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00700",
    "kind": "arxiv",
    "version": 1
  }
}