Pith Number

pith:2ZD6GEPS

pith:2011:2ZD6GEPSTOVGMWS3JGDRDVMAKL

not attested not anchored not stored refs pending

Factorization-based Lossless Compression of Inverted Indices

George Beskales, Marcus Fontoura, Maxim Gurevich, Sergei Vassilvitskii, Vanja Josifovski

arxiv:1108.1956 v1 · 2011-08-09 · 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{2ZD6GEPSTOVGMWS3JGDRDVMAKL}

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	2026-05-18T02:21:42.357579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d647e311f29baa665a5b498711d58052c4defc1fbdc9ff74fe209235f63f3ef3

Aliases

arxiv: 1108.1956 · arxiv_version: 1108.1956v1 · doi: 10.48550/arxiv.1108.1956 · pith_short_12: 2ZD6GEPSTOVG · pith_short_16: 2ZD6GEPSTOVGMWS3 · pith_short_8: 2ZD6GEPS

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/2ZD6GEPSTOVGMWS3JGDRDVMAKL \
  | 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: d647e311f29baa665a5b498711d58052c4defc1fbdc9ff74fe209235f63f3ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56fd7f5b34a06ea5d53908ccac4e89ba46072475e4483311b3d4275fce980e91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-08-09T15:25:17Z",
    "title_canon_sha256": "f30676f0ae89b771023c4640a69d45b1f35b1cf3e6449b6d0a08f33536c910c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1956",
    "kind": "arxiv",
    "version": 1
  }
}