Pith Number

pith:K5RPQRZF

pith:2019:K5RPQRZFX6MFHZLEJ6XZUQTMD4

not attested not anchored not stored refs pending

Graded Relevance Assessments and Graded Relevance Measures of NTCIR: A Survey of the First Twenty Years

Tetsuya Sakai

arxiv:1903.11272 v1 · 2019-03-27 · 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{K5RPQRZFX6MFHZLEJ6XZUQTMD4}

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	2026-05-17T23:50:03.699361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5762f84725bf9853e5644faf9a426c1f22f232a98b5aa2012e14d89bc6e0151f

Aliases

arxiv: 1903.11272 · arxiv_version: 1903.11272v1 · doi: 10.48550/arxiv.1903.11272 · pith_short_12: K5RPQRZFX6MF · pith_short_16: K5RPQRZFX6MFHZLE · pith_short_8: K5RPQRZF

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/K5RPQRZFX6MFHZLEJ6XZUQTMD4 \
  | 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: 5762f84725bf9853e5644faf9a426c1f22f232a98b5aa2012e14d89bc6e0151f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcfd6b2b4135f24ef9f761ee021b84874ebb0d1a59d2fbb0f119fab5554a4067",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-03-27T07:21:55Z",
    "title_canon_sha256": "87b18514c88d60ea7a584196583441c126f3c96fd9f93c024a6dcd5136375671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11272",
    "kind": "arxiv",
    "version": 1
  }
}