Pith Number

pith:7N7Q4Q36

pith:2018:7N7Q4Q36LI76IOWC6P3JOPEBGC

not attested not anchored not stored refs pending

Putting the hadron beam scenario for extreme blazars to the test with the Cherenkov Telescope Array

F. Tavecchio, M. Landoni, P. Romano, S. Vercellone

arxiv:1810.07493 v1 · 2018-10-17 · 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{7N7Q4Q36LI76IOWC6P3JOPEBGC}

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	2026-05-18T00:01:26.085448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb7f0e437e5a3fe43ac2f3f6973c8130af00ccae590c029b4d0f2231d27488b7

Aliases

arxiv: 1810.07493 · arxiv_version: 1810.07493v1 · doi: 10.48550/arxiv.1810.07493 · pith_short_12: 7N7Q4Q36LI76 · pith_short_16: 7N7Q4Q36LI76IOWC · pith_short_8: 7N7Q4Q36

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/7N7Q4Q36LI76IOWC6P3JOPEBGC \
  | 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: fb7f0e437e5a3fe43ac2f3f6973c8130af00ccae590c029b4d0f2231d27488b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797aae5d7ab44a5b67efe4ef12da7b09da78137496dfb41ae3d3b46f5158edf9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-17T11:55:50Z",
    "title_canon_sha256": "0f28df310d851eced4d0aa4a245da4d1965020dc4f496d16abd8e46234f6d77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07493",
    "kind": "arxiv",
    "version": 1
  }
}