Pith Number

pith:LTF5JV5N

pith:2024:LTF5JV5NVCGCWGAKBCFLRJQ7CT

not attested not anchored not stored refs pending

When researchers pay to publish: Results from a survey on APCs in four countries

Andr\'e Luiz Appel, Fran\c{c}ois van Schalkwyk, Grip-APC Team, Mat\'ias Milia, Osvaldo Gallardo

arxiv:2410.12144 v1 · 2024-10-16 · 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{LTF5JV5NVCGCWGAKBCFLRJQ7CT}

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.

Cited by

1 paper in Pith

Pursuing transparency: How research performing organizations in Germany collect data on publication costs

Receipt and verification

First computed	2026-07-05T09:21:14.864823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ccbd4d7ada88c2b180a088ab8a61f14f14f03b235d6ab4728e60956828accf4

Aliases

arxiv: 2410.12144 · arxiv_version: 2410.12144v1 · doi: 10.48550/arxiv.2410.12144 · pith_short_12: LTF5JV5NVCGC · pith_short_16: LTF5JV5NVCGCWGAK · pith_short_8: LTF5JV5N

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/LTF5JV5NVCGCWGAKBCFLRJQ7CT \
  | 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: 5ccbd4d7ada88c2b180a088ab8a61f14f14f03b235d6ab4728e60956828accf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8935223c6e484c046a26266e4082097ef74c7823af809ee140d49ed48e74c5d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2024-10-16T01:06:19Z",
    "title_canon_sha256": "725115d75f4596982ff2edef4f05260716e6a74e83f50d729de2f86d3113877d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.12144",
    "kind": "arxiv",
    "version": 1
  }
}