Pith Number

pith:U4AJESVW

pith:2012:U4AJESVW22LWIWS5WXZMK4AVNI

not attested not anchored not stored refs pending

Redetermination of Galactic Spiral Density Wave Parameters Based on Spectral Analysis of Maser Radial Velocities

A. T. Bajkova, V. V. Bobylev

arxiv:1208.4565 v1 · 2012-08-22 · 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{U4AJESVW22LWIWS5WXZMK4AVNI}

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	2026-05-18T03:48:14.035784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a700924ab6d697645a5db5f2c570156a2befc3db09bf6b8e89e8cfeea7e76c00

Aliases

arxiv: 1208.4565 · arxiv_version: 1208.4565v1 · doi: 10.48550/arxiv.1208.4565 · pith_short_12: U4AJESVW22LW · pith_short_16: U4AJESVW22LWIWS5 · pith_short_8: U4AJESVW

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/U4AJESVW22LWIWS5WXZMK4AVNI \
  | 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: a700924ab6d697645a5db5f2c570156a2befc3db09bf6b8e89e8cfeea7e76c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6cb48513a661c658e45f7454d6b52becaf018e2c55e435504930769bb6f80b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-22T17:28:47Z",
    "title_canon_sha256": "2a9cbdce6cf74d44ceb4fe23eb90d33e69fdd4fddccfa6152facf2ed8d572200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4565",
    "kind": "arxiv",
    "version": 1
  }
}