Pith Number

pith:RDBIOTYU

pith:2025:RDBIOTYUT4SGSGWO3BMHHVTHTW

not attested not anchored not stored refs pending

The phase spiral's origin and evolution: indications from its varying properties across the Milky Way disk

Axel Widmark, Jason A. S. Hunt, Josh Kalish, Kathryn V. Johnston, Kiyan Tavangar

arxiv:2507.19579 v1 · 2025-07-25 · 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{RDBIOTYUT4SGSGWO3BMHHVTHTW}

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.

Cited by

2 papers in Pith

The flare and spiral structure of the Milky Way's disc as traced by young giant stars

Phase spirals induced by the gas warp

Receipt and verification

First computed	2026-07-05T11:43:36.944275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88c2874f149f24691aced85873d6679d84df0e64765ebd458ab48eba135d7d52

Aliases

arxiv: 2507.19579 · arxiv_version: 2507.19579v1 · doi: 10.48550/arxiv.2507.19579 · pith_short_12: RDBIOTYUT4SG · pith_short_16: RDBIOTYUT4SGSGWO · pith_short_8: RDBIOTYU

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/RDBIOTYUT4SGSGWO3BMHHVTHTW \
  | 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: 88c2874f149f24691aced85873d6679d84df0e64765ebd458ab48eba135d7d52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb755a3f627fdbd0de16d34da3545a080ef6c75476339907ae2a32b6346ae7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-25T18:00:00Z",
    "title_canon_sha256": "d68b709221cd1395c78bdd95e1398f39a0c2b985bf0315e7ec4cef69bddfd1bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19579",
    "kind": "arxiv",
    "version": 1
  }
}