Pith Number

pith:AUV3ZYDJ

pith:2015:AUV3ZYDJ2ABC4S46MQO2BZ6Z7Q

not attested not anchored not stored refs pending

Stellar Orbital Studies in Normal Spiral Galaxies II: Restrictions to Structural and Dynamical parameters on Spiral Arms

Angeles P\'erez-Villegas, B\'arbara Pichardo, Edmundo Moreno

arxiv:1506.05125 v1 · 2015-06-16 · astro-ph.GA · 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{AUV3ZYDJ2ABC4S46MQO2BZ6Z7Q}

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	2026-05-18T00:50:48.094164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

052bbce069d0022e4b9e641da0e7d9fc06ab082d882e4bebd3afc812245727f3

Aliases

arxiv: 1506.05125 · arxiv_version: 1506.05125v1 · doi: 10.48550/arxiv.1506.05125 · pith_short_12: AUV3ZYDJ2ABC · pith_short_16: AUV3ZYDJ2ABC4S46 · pith_short_8: AUV3ZYDJ

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/AUV3ZYDJ2ABC4S46MQO2BZ6Z7Q \
  | 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: 052bbce069d0022e4b9e641da0e7d9fc06ab082d882e4bebd3afc812245727f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19a8c1f23c19ea21fe25fa4edfffb7ddad52030eb27f245d96653f68ed3699e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-16T20:02:21Z",
    "title_canon_sha256": "eb909f274f71f31dfb2f911464b7e893d785f4222cb13560db0a96521a319cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05125",
    "kind": "arxiv",
    "version": 1
  }
}