Pith Number

pith:TJR3NEPG

pith:2015:TJR3NEPGKJTR2GOMZCVJGWJDFH

not attested not anchored not stored refs pending

The inner $\sim$ 40 pc Radial Distribution of the Star formation Rate for a nearby Seyfert 2 galaxy M51

China), Institute of Theoretical Physics, Li-Ling Fang, Nanjing Normal University, Wei-Hao Bian (Department of Physics, Xiao-Lei Jiang, Zhi-Cheng He

arxiv:1509.03695 v1 · 2015-09-12 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJR3NEPGKJTR2GOMZCVJGWJDFH}

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	2026-05-18T01:33:14.818943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a63b691e652671d19ccc8aa93592329d1142e8976b6892c937534a00c769684

Aliases

arxiv: 1509.03695 · arxiv_version: 1509.03695v1 · doi: 10.48550/arxiv.1509.03695 · pith_short_12: TJR3NEPGKJTR · pith_short_16: TJR3NEPGKJTR2GOM · pith_short_8: TJR3NEPG

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/TJR3NEPGKJTR2GOMZCVJGWJDFH \
  | 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: 9a63b691e652671d19ccc8aa93592329d1142e8976b6892c937534a00c769684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30f8281c4c5157984c7292fae0a37a8fca94233e7bb6e6e24f4ea88e377faa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-12T02:09:57Z",
    "title_canon_sha256": "4234155e6fc8c275bb37a47f5ae10875295b26efc321bbe3c5b0bf71c9ed6a9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03695",
    "kind": "arxiv",
    "version": 1
  }
}