Pith Number

pith:GE7OQ3PR

pith:2026:GE7OQ3PRGRWGDM37CM3VGGZS53

not attested not anchored not stored refs pending

Invariant manifolds in barred galaxy simulations. II. Quantitative evidence of manifold-trapping in spiral arm formation

Merc\`e Romero-G\'omez, Santi Roca-F\`abrega, Toni Soler-Terricabras

arxiv:2605.26722 v1 · 2026-05-26 · 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{GE7OQ3PRGRWGDM37CM3VGGZS53}

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	2026-05-27T01:06:09.265335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

313ee86df1346c61b37f1337531b32eed6c7953a1c0c4935bae0663c073f28e4

Aliases

arxiv: 2605.26722 · arxiv_version: 2605.26722v1 · doi: 10.48550/arxiv.2605.26722 · pith_short_12: GE7OQ3PRGRWG · pith_short_16: GE7OQ3PRGRWGDM37 · pith_short_8: GE7OQ3PR

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/GE7OQ3PRGRWGDM37CM3VGGZS53 \
  | 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: 313ee86df1346c61b37f1337531b32eed6c7953a1c0c4935bae0663c073f28e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2578a79b4f7b725b1043ed11607b020fced838b8b3f66138e0498df24079dd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-26T09:02:18Z",
    "title_canon_sha256": "a1eb1d72029c8abb19d9385e9143f29579293a66713b38b86651cfc8eac20950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26722",
    "kind": "arxiv",
    "version": 1
  }
}