Pith Number

pith:G355SFF6

pith:2019:G355SFF6YN5TTNBEWKHZFHASJP

not attested not anchored not stored refs pending

Fundamental physics with blazar spectra: a critical appraisal

Fabrizio Tavecchio, Giorgio Galanti, Marco Landoni

arxiv:1911.09056 v1 · 2019-11-20 · 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{G355SFF6YN5TTNBEWKHZFHASJP}

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	2026-07-05T00:31:33.082702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36fbd914bec37b39b424b28f929c124bf83956ae35b171b96d3d294e34b90b59

Aliases

arxiv: 1911.09056 · arxiv_version: 1911.09056v1 · doi: 10.48550/arxiv.1911.09056 · pith_short_12: G355SFF6YN5T · pith_short_16: G355SFF6YN5TTNBE · pith_short_8: G355SFF6

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/G355SFF6YN5TTNBEWKHZFHASJP \
  | 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: 36fbd914bec37b39b424b28f929c124bf83956ae35b171b96d3d294e34b90b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d0fd1abb6000a2a40fba057ee9ddb302979532cc9df6f6f74fe6f4d13d3bf1",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-11-20T17:41:19Z",
    "title_canon_sha256": "e2b96fa7a187a5c1d14e4c842cbd27ba19661fa70f7feda21b74f914a192fbf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09056",
    "kind": "arxiv",
    "version": 1
  }
}