Pith Number

pith:B6NGQOW5

pith:2011:B6NGQOW5BFSYAZGZZAVXXCZQ2G

not attested not anchored not stored refs pending

Gamma-Ray Emission from Two Blazars Behind the Galactic Plane: B2013+370 & B2023+336

A. C. S. Readhead, E. Aliu, E. Kara, J. L. Richards, J. P. Halpern, M. Bottcher, M. Errando, P. Fortin, R. Mukherjee, W. Max-Moerbeck

arxiv:1112.3312 v1 · 2011-12-14 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B6NGQOW5BFSYAZGZZAVXXCZQ2G}

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	2026-05-18T01:59:09.813079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f9a683add09658064d9c82b7b8b30d1abd9273ed6f805bc0c0a176f0c92e476

Aliases

arxiv: 1112.3312 · arxiv_version: 1112.3312v1 · doi: 10.48550/arxiv.1112.3312 · pith_short_12: B6NGQOW5BFSY · pith_short_16: B6NGQOW5BFSYAZGZ · pith_short_8: B6NGQOW5

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/B6NGQOW5BFSYAZGZZAVXXCZQ2G \
  | 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: 0f9a683add09658064d9c82b7b8b30d1abd9273ed6f805bc0c0a176f0c92e476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87fa2e556d8e9db215f48b8027f1f9f18f36e9fb77016817efc8e1bd7a1fffee",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-14T19:40:19Z",
    "title_canon_sha256": "7f3cddb69fc89d47bb281b20ceac11f304043146d273ca8c1a35d584799922d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3312",
    "kind": "arxiv",
    "version": 1
  }
}