Pith Number

pith:LWG2ZR37

pith:2019:LWG2ZR37YZVQV4VTHAR76LQI46

not attested not anchored not stored refs pending

Let's measure run time! Extending the IR replicability infrastructure to include performance aspects

Allan Hanbury, Sebastian Hofst\"atter

arxiv:1907.04614 v1 · 2019-07-10 · 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{LWG2ZR37YZVQV4VTHAR76LQI46}

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	2026-05-17T23:40:57.370488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d8dacc77fc66b0af2b33823ff2e08e79ab38b29b6124985a11712565e44ea1f

Aliases

arxiv: 1907.04614 · arxiv_version: 1907.04614v1 · doi: 10.48550/arxiv.1907.04614 · pith_short_12: LWG2ZR37YZVQ · pith_short_16: LWG2ZR37YZVQV4VT · pith_short_8: LWG2ZR37

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/LWG2ZR37YZVQV4VTHAR76LQI46 \
  | 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: 5d8dacc77fc66b0af2b33823ff2e08e79ab38b29b6124985a11712565e44ea1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc49fef9de8ddfd605263251801a5fb4df3ce4829919e73528b1eace713d0559",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-07-10T10:56:08Z",
    "title_canon_sha256": "2e8b64c6d00aadb9816d5c73feec0a5bcefa9e5704e23ca83fd640b15966b78f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04614",
    "kind": "arxiv",
    "version": 1
  }
}