Pith Number

pith:IF2UGNVJ

pith:2019:IF2UGNVJLAEMTGOO6R7GO4LFC7

not attested not anchored not stored refs pending

Neutrinos from blazars

Matteo Cerruti

arxiv:1912.03666 v1 · 2019-12-08 · 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{IF2UGNVJLAEMTGOO6R7GO4LFC7}

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	2026-07-05T01:04:08.761901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41754336a95808c999cef47e67716517d93b984cccd0f507374d4c4c780b6a3c

Aliases

arxiv: 1912.03666 · arxiv_version: 1912.03666v1 · doi: 10.48550/arxiv.1912.03666 · pith_short_12: IF2UGNVJLAEM · pith_short_16: IF2UGNVJLAEMTGOO · pith_short_8: IF2UGNVJ

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/IF2UGNVJLAEMTGOO6R7GO4LFC7 \
  | 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: 41754336a95808c999cef47e67716517d93b984cccd0f507374d4c4c780b6a3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "704cadb4da9b9f0e31e190956f697e320066b2822f0f47042b38a244ec5323ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-12-08T12:17:39Z",
    "title_canon_sha256": "d487c67cf2394f3b1461ded0d5db3250bc98236c3798bd0630b041c74f4377e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03666",
    "kind": "arxiv",
    "version": 1
  }
}