Pith Number

pith:IEMQHROB

pith:2019:IEMQHROBPWPGWR7YHJR5PSX4B6

not attested not anchored not stored refs pending

2FA Sketch: Two-Factor Armor Sketch for Accurate and Efficient Heavy Hitter Detection in Data Streams

Bingqing Liu, Gaogang Xie, Tao Li, Tong Yang, Xilai Liu, Xinyi Zhang

arxiv:1909.02203 v5 · 2019-09-05 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEMQHROBPWPGWR7YHJR5PSX4B6}

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	2026-07-05T08:58:17.680984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

411903c5c17d9e6b47f83a63d7cafc0f89462a7ce2c799f77bcbffdb07e98f13

Aliases

arxiv: 1909.02203 · arxiv_version: 1909.02203v5 · doi: 10.48550/arxiv.1909.02203 · pith_short_12: IEMQHROBPWPG · pith_short_16: IEMQHROBPWPGWR7Y · pith_short_8: IEMQHROB

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/IEMQHROBPWPGWR7YHJR5PSX4B6 \
  | 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: 411903c5c17d9e6b47f83a63d7cafc0f89462a7ce2c799f77bcbffdb07e98f13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bddd0b082a4b69d99333e26aa0d627f7ed5e7c4312f1574a9b5dba526c96485",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-09-05T04:27:58Z",
    "title_canon_sha256": "8f41045471839e65cbe4de02417d1e0e448dd96ad53b9f2858221e61b6e64015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02203",
    "kind": "arxiv",
    "version": 5
  }
}