Pith Number

pith:BUKW3BPA

pith:2020:BUKW3BPAAHOVW7UPVH7HXTTDFT

not attested not anchored not stored refs pending

Technical comment on the paper of Dessert et al. "The dark matter interpretation of the 3.5 keV line is inconsistent with blank-sky observations"

Alexey Boyarsky, Denys Malyshev, Denys Savchenko, Oleg Ruchayskiy

arxiv:2004.06601 v2 · 2020-04-14 · astro-ph.CO · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUKW3BPAAHOVW7UPVH7HXTTDFT}

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	2026-07-05T02:18:04.694546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d156d85e001dd5b7e8fa9fe7bce632cdb7a613a1ad47267fb2fc8851f2a46ea

Aliases

arxiv: 2004.06601 · arxiv_version: 2004.06601v2 · doi: 10.48550/arxiv.2004.06601 · pith_short_12: BUKW3BPAAHOV · pith_short_16: BUKW3BPAAHOVW7UP · pith_short_8: BUKW3BPA

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/BUKW3BPAAHOVW7UPVH7HXTTDFT \
  | 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: 0d156d85e001dd5b7e8fa9fe7bce632cdb7a613a1ad47267fb2fc8851f2a46ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb700ba0f3b782be2ca684b8d069fc85040ce65c3b201638982c21f80ce7316",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-04-14T15:30:53Z",
    "title_canon_sha256": "a90278d1ceaa1cb9527c5c9a7195d94b3eab32379288a29eee12a393a2508469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06601",
    "kind": "arxiv",
    "version": 2
  }
}