Pith Number

pith:OGQ7ODY7

pith:2022:OGQ7ODY7KA2GN6WK2ZNCQHNBMS

not attested not anchored not stored refs pending

Non-thermal $X$-rays from pulsation-driven shocks in Cepheids

Federico Fraschetti, Jeremy J. Drake, Konstantina Anastasopoulou, Nancy R. Evans

arxiv:2212.08150 v1 · 2022-12-15 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGQ7ODY7KA2GN6WK2ZNCQHNBMS}

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	2026-07-05T05:44:08.093827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a1f70f1f503466facad65a281da164b88f2f47047263b3322c9397e5fc0c6f

Aliases

arxiv: 2212.08150 · arxiv_version: 2212.08150v1 · doi: 10.48550/arxiv.2212.08150 · pith_short_12: OGQ7ODY7KA2G · pith_short_16: OGQ7ODY7KA2GN6WK · pith_short_8: OGQ7ODY7

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/OGQ7ODY7KA2GN6WK2ZNCQHNBMS \
  | 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: 71a1f70f1f503466facad65a281da164b88f2f47047263b3322c9397e5fc0c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbed7eb64c72e4a7fdcf15e0baaedf00080609bdd5820b6d0aadf3b527992718",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-12-15T21:33:25Z",
    "title_canon_sha256": "f0472ff9a17eca9dff68a62d9706606bd6cbfa825ba17da20df8bae4cc4b0891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.08150",
    "kind": "arxiv",
    "version": 1
  }
}