Pith Number

pith:F6QT2BSM

pith:2026:F6QT2BSMTEPNKS4HZCSB5FB4F4

not attested not anchored not stored refs pending

Invariant manifolds in barred galaxy simulations. III. Self-regulated weakening of strong spiral arms

M. Romero-G\'omez, S. Roca-F\`abrega, T. Soler-Terricabras

arxiv:2607.27963 v1 · 2026-07-30 · 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{F6QT2BSMTEPNKS4HZCSB5FB4F4}

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	2026-07-31T01:35:05.702034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

2fa13d064c991ed54b87c8a41e943c2f3c6f1e9492c3df13034124d81c134196

Aliases

arxiv: 2607.27963 · arxiv_version: 2607.27963v1 · doi: 10.48550/arxiv.2607.27963 · pith_short_12: F6QT2BSMTEPN · pith_short_16: F6QT2BSMTEPNKS4H · pith_short_8: F6QT2BSM

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/F6QT2BSMTEPNKS4HZCSB5FB4F4 \
  | 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: 2fa13d064c991ed54b87c8a41e943c2f3c6f1e9492c3df13034124d81c134196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be19ca5be2dc473704f842a1b99c0e12e355388e050bd84cedecd1b1175b87b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-30T10:09:30Z",
    "title_canon_sha256": "504ad361f6bd5a9bdd29a2c3cf9c7ee4e887e8e493a197efeb145858ba5da35b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27963",
    "kind": "arxiv",
    "version": 1
  }
}