Pith Number

pith:SC7FH26W

pith:2013:SC7FH26WT7DXSQHA6DJRPZG5ID

not attested not anchored not stored refs pending

Collimation and scattering of the active galactic nucleus emission in the Sombrero galaxy

J. E. Steiner, R. B. Menezes, T. V. Ricci

arxiv:1302.6649 v1 · 2013-02-27 · 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{SC7FH26WT7DXSQHA6DJRPZG5ID}

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	2026-05-18T03:32:19.246630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90be53ebd69fc77940e0f0d317e4dd40cee16b2ed7d9d15adf634042abb88380

Aliases

arxiv: 1302.6649 · arxiv_version: 1302.6649v1 · doi: 10.48550/arxiv.1302.6649 · pith_short_12: SC7FH26WT7DX · pith_short_16: SC7FH26WT7DXSQHA · pith_short_8: SC7FH26W

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/SC7FH26WT7DXSQHA6DJRPZG5ID \
  | 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: 90be53ebd69fc77940e0f0d317e4dd40cee16b2ed7d9d15adf634042abb88380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac78624b185145db44b720e793e4ba573616de6dc0cf93f45ed623715f2690a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-27T02:40:43Z",
    "title_canon_sha256": "c672c531c46dd9c1337b9d6ccb312d8e77407df2c49c345f907d2ed54ae1274c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6649",
    "kind": "arxiv",
    "version": 1
  }
}