Pith Number

pith:7JBI2QTU

pith:2009:7JBI2QTUKP2VI2BGGMMT644YI2

not attested not anchored not stored refs pending

3D spectroscopic study of galactic rings: formation and kinematics

(2) Apache Point Observatory, 3) ((1) Special Astrophysical Observatory, (3) Sternberg Astronomical Institute), A.V. Moiseev (1), D.V. Bizyaev (2

arxiv:0908.0603 v1 · 2009-08-05 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JBI2QTUKP2VI2BGGMMT644YI2}

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	2026-05-18T02:12:44.562452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa428d427453f554682633193f73984692114221dc6ae60facc0d8805ae2f835

Aliases

arxiv: 0908.0603 · arxiv_version: 0908.0603v1 · doi: 10.48550/arxiv.0908.0603 · pith_short_12: 7JBI2QTUKP2V · pith_short_16: 7JBI2QTUKP2VI2BG · pith_short_8: 7JBI2QTU

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/7JBI2QTUKP2VI2BGGMMT644YI2 \
  | 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: fa428d427453f554682633193f73984692114221dc6ae60facc0d8805ae2f835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02f4c95c2ec8c26deef8aad262855867d888364eb27edc48539f288836426bed",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-05T07:44:30Z",
    "title_canon_sha256": "6ff1dc84b4f364f8b855ddfce1d20830c3e3f0df2a40153bc5a4ffdd4d0465b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0603",
    "kind": "arxiv",
    "version": 1
  }
}