Pith Number

pith:CKLXKLXC

pith:2012:CKLXKLXCRW4U5AFKRAIXZOVCMZ

not attested not anchored not stored refs pending

Building Custom Term Suggestion Web Services with OAI-Harvested Open Data

Philipp Schaer, Thomas L\"uke, Wilko van Hoek

arxiv:1203.5689 v1 · 2012-03-26 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKLXKLXCRW4U5AFKRAIXZOVCMZ}

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	2026-05-18T03:59:14.431119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1297752ee28db94e80aa88117cbaa266625f46e3578288bc9fc1909ade7558a1

Aliases

arxiv: 1203.5689 · arxiv_version: 1203.5689v1 · doi: 10.48550/arxiv.1203.5689 · pith_short_12: CKLXKLXCRW4U · pith_short_16: CKLXKLXCRW4U5AFK · pith_short_8: CKLXKLXC

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/CKLXKLXCRW4U5AFKRAIXZOVCMZ \
  | 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: 1297752ee28db94e80aa88117cbaa266625f46e3578288bc9fc1909ade7558a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50aa8fec16f6676ee961f17af9db3f1ef94b047af415a38d3b2b68bb7dbe9c81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-03-26T14:45:45Z",
    "title_canon_sha256": "d315759b5d194ba33f744344c117fe4608069016478bd40c10f9ecabeaaf8dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5689",
    "kind": "arxiv",
    "version": 1
  }
}