Pith Number

pith:KDFSMGOZ

pith:2013:KDFSMGOZ66JVUOOWLC7GH3S2CX

not attested not anchored not stored refs pending

Kinematics and excitation of the nuclear spiral in the active galaxy Arp 102B

(2) Rochester Institute of Technology, (3) Indian Institute of Astrophysics, 4) ((1) UFRGS, (4) UFSM), Andrew Robinson (2), David J. Axon (2), Guilherme S. Couto (1), Preeti Kharb (3), Rogemar A. Riffel (1, Thaisa Storchi-Bergmann (1)

arxiv:1308.1891 v1 · 2013-08-08 · 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{KDFSMGOZ66JVUOOWLC7GH3S2CX}

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	2026-05-18T01:48:22.182115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cb2619d9f7935a39d658be63ee5a15d8f3c374bd92a18f4108f76feff11515

Aliases

arxiv: 1308.1891 · arxiv_version: 1308.1891v1 · doi: 10.48550/arxiv.1308.1891 · pith_short_12: KDFSMGOZ66JV · pith_short_16: KDFSMGOZ66JVUOOW · pith_short_8: KDFSMGOZ

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/KDFSMGOZ66JVUOOWLC7GH3S2CX \
  | 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: 50cb2619d9f7935a39d658be63ee5a15d8f3c374bd92a18f4108f76feff11515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d2c5d9e45951afb935e5583966472ef44f837221b2506438ac2a97597a7158e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-08T16:12:43Z",
    "title_canon_sha256": "0b3584fb2d55352da4e3ccf7ae0a37957740508c803089714a42348066eaa702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1891",
    "kind": "arxiv",
    "version": 1
  }
}