Pith Number

pith:5APYCY64

pith:2010:5APYCY64YAX5O5Y6QFIYQ2UC7X

not attested not anchored not stored refs pending

The AGN properties of the starburst galaxy NGC 7582

(2) Gemini Observatory, (3) UFSC), A. Garcia-Rissmann (2), J.E. Steiner (1), R.B. Menezes (1), R. Cid Fernandes (3) ((1) IAG-USP, T.V. Ricci (1)

arxiv:1001.5269 v1 · 2010-01-28 · 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{5APYCY64YAX5O5Y6QFIYQ2UC7X}

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	2026-05-18T02:09:22.465253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81f8163dcc02fd7771e8151886a82fde9542212885103b45fafe4b2c94b46ce

Aliases

arxiv: 1001.5269 · arxiv_version: 1001.5269v1 · doi: 10.48550/arxiv.1001.5269 · pith_short_12: 5APYCY64YAX5 · pith_short_16: 5APYCY64YAX5O5Y6 · pith_short_8: 5APYCY64

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/5APYCY64YAX5O5Y6QFIYQ2UC7X \
  | 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: e81f8163dcc02fd7771e8151886a82fde9542212885103b45fafe4b2c94b46ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030a726a4f9e22be79f646c2f0ff2692ef46e55367bf1facf22f91509fb92396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-28T21:01:42Z",
    "title_canon_sha256": "d2d355fbeb13e1050639fb7507fd175a45748c0c3b34552f2eb5cd999c322f17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5269",
    "kind": "arxiv",
    "version": 1
  }
}