Pith Number

pith:625LPIIF

pith:2022:625LPIIFGDFR6N2OUE63SQXQM2

not attested not anchored not stored refs pending

Dark Radiation Constraints on Heavy QCD Axions

David I. Dunsky, Keisuke Harigaya, Lawrence J. Hall

arxiv:2205.11540 v1 · 2022-05-23 · 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{625LPIIFGDFR6N2OUE63SQXQM2}

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	2026-07-05T04:26:05.185876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6bab7a10530cb1f374ea13db942f06687cfbe0515eb46360014f736d4c2b594

Aliases

arxiv: 2205.11540 · arxiv_version: 2205.11540v1 · doi: 10.48550/arxiv.2205.11540 · pith_short_12: 625LPIIFGDFR · pith_short_16: 625LPIIFGDFR6N2O · pith_short_8: 625LPIIF

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/625LPIIFGDFR6N2OUE63SQXQM2 \
  | 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: f6bab7a10530cb1f374ea13db942f06687cfbe0515eb46360014f736d4c2b594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f6ca620acd9947d19b46b7858fd5189a4a1dcc3dc4a8079fe34ef7bf0149cc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2022-05-23T18:00:05Z",
    "title_canon_sha256": "9c9ddc48d98d415d549ef5ada0e4a839a34c51900a4bf60d3621b917579db92c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.11540",
    "kind": "arxiv",
    "version": 1
  }
}