Pith Number

pith:QEIP6EQN

pith:2018:QEIP6EQNQUP5VOHW25QK32ZN2L

not attested not anchored not stored refs pending

A Usefulness-based Approach for Measuring the Local and Global Effect of IIR Services

Daniel Hienert, Peter Mutschke

arxiv:1808.06818 v1 · 2018-08-21 · 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{QEIP6EQNQUP5VOHW25QK32ZN2L}

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	2026-05-18T00:07:38.988059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8110ff120d851fdab8f6d760adeb2dd2ce828e27d654a31e35029f235672bbce

Aliases

arxiv: 1808.06818 · arxiv_version: 1808.06818v1 · doi: 10.48550/arxiv.1808.06818 · pith_short_12: QEIP6EQNQUP5 · pith_short_16: QEIP6EQNQUP5VOHW · pith_short_8: QEIP6EQN

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/QEIP6EQNQUP5VOHW25QK32ZN2L \
  | 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: 8110ff120d851fdab8f6d760adeb2dd2ce828e27d654a31e35029f235672bbce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac0d7ad26592a2204b45e81b411d6b435c482175e083229ce6b46cb7a9e95d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-21T09:38:53Z",
    "title_canon_sha256": "7f99f101e4c9b44febc5503e0d878876c2a8945f5043eb2f7ddca868e936424a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06818",
    "kind": "arxiv",
    "version": 1
  }
}