Pith Number

pith:M4C3PAY3

pith:2011:M4C3PAY32REDEYXXI5Z2BPW7MJ

not attested not anchored not stored refs pending

Seyfert 2 galaxies in the GeV band: jets and starburst

Claudio Ricci, Daniela Dorner, Jean-Philippe Lenain, Marc T\"urler, Roland Walter

arxiv:1102.5231 v1 · 2011-02-25 · 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{M4C3PAY32REDEYXXI5Z2BPW7MJ}

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	2026-05-18T04:27:55.889564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6705b7831bd4483262f74773a0bedf6252911a56458b2c19952052358411e320

Aliases

arxiv: 1102.5231 · arxiv_version: 1102.5231v1 · doi: 10.48550/arxiv.1102.5231 · pith_short_12: M4C3PAY32RED · pith_short_16: M4C3PAY32REDEYXX · pith_short_8: M4C3PAY3

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/M4C3PAY32REDEYXXI5Z2BPW7MJ \
  | 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: 6705b7831bd4483262f74773a0bedf6252911a56458b2c19952052358411e320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff03c1bb838d12df7b6846c45b1eb8c8f98a8ecc00c4ed071d5cfbe5c23b8bc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-02-25T12:48:37Z",
    "title_canon_sha256": "ab13a650dbc08088a3203dac78079f3014334467cd036ca1d3f18cd300ba8bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5231",
    "kind": "arxiv",
    "version": 1
  }
}