Pith Number

pith:P46MK3B5

pith:2026:P46MK3B5WMJWA4DRJXIV432NNZ

not attested not anchored not stored refs pending

Diamond Fractures: Tracing Journal Transitions Away from Diamond Open Access

Juan Pablo Alperin, Lisa Matthias, Mikael Laakso

arxiv:2606.31302 v1 · 2026-06-30 · 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{P46MK3B5WMJWA4DRJXIV432NNZ}

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	2026-07-01T01:17:58.574948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f3cc56c3db3136070714dd15e6f4d6e7b5c950079173d37d7b72076276af1ec

Aliases

arxiv: 2606.31302 · arxiv_version: 2606.31302v1 · doi: 10.48550/arxiv.2606.31302 · pith_short_12: P46MK3B5WMJW · pith_short_16: P46MK3B5WMJWA4DR · pith_short_8: P46MK3B5

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/P46MK3B5WMJWA4DRJXIV432NNZ \
  | 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: 7f3cc56c3db3136070714dd15e6f4d6e7b5c950079173d37d7b72076276af1ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b0b0f65c1a591987f9ae5ddf569a884a170279b1da58908fed1161c3b0e8d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2026-06-30T08:15:39Z",
    "title_canon_sha256": "35b3fea5f0f71dafce3767afbb840d2e63ccee7a7016a2c6f9ef6f6adb62ed98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31302",
    "kind": "arxiv",
    "version": 1
  }
}