Pith Number

pith:5U3SBSQV

pith:2021:5U3SBSQVELYWFFVTV5YSMEM6EN

not attested not anchored not stored refs pending

FR-0 jetted active galaxies: extending the zoo of candidate sites for UHECR acceleration

Anita Reimer, Chiara Righi, Fabrizio Tavecchio, Giacomo Bonnoli, Jon Paul Lundquist, Lukas Merten, Margot Boughelilba, Paolo Da Vela, Serguei Vorobiov

arxiv:2107.13278 v1 · 2021-07-28 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5U3SBSQVELYWFFVTV5YSMEM6EN}

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	2026-07-05T03:01:28.589840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3720ca1522f16296b3af7126119e234d6c575699647a88ad45dc98654cc92d

Aliases

arxiv: 2107.13278 · arxiv_version: 2107.13278v1 · doi: 10.48550/arxiv.2107.13278 · pith_short_12: 5U3SBSQVELYW · pith_short_16: 5U3SBSQVELYWFFVT · pith_short_8: 5U3SBSQV

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/5U3SBSQVELYWFFVTV5YSMEM6EN \
  | 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: ed3720ca1522f16296b3af7126119e234d6c575699647a88ad45dc98654cc92d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661f83cf9ba73bec823a5bed6a943edede346ffb3b2003c4ecfd459ae5164198",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-28T11:20:26Z",
    "title_canon_sha256": "5add7e5a28d24a68d458d5239c01f13a3b4a1fb73721a4d0b7911af1dcde0228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13278",
    "kind": "arxiv",
    "version": 1
  }
}